"Pseudo-MPEC" for HJ0110 = unk P=1.27d, i=17
Created 2017 Sep 18 14:32:24 UT using Find_Orb
Running this orbit forward, the perigee drops to under 100 km in mid-2008. I assume it started hitting drag then and eventually re-entered.
Due to some confusion on my part, the observations on 2005 Sep 18 were initially stored as a separate object, HJ0111. They're really the same object.
Astrometry:
HJ0110 C2005 06 29.32752 20 42 00.77 +00 15 00.4 12.6 R 678
HJ0110 C2005 06 29.32872 20 42 12.65 +00 17 05.8 12.3 R 678
HJ0110 C2005 06 29.32992 20 42 24.82 +00 19 07.9 12.4 R 678
HJ0110 C2005 06 29.42839 20 55 32.35 +02 38 40.5 12.4 R 678
HJ0110 C2005 06 29.42955 20 55 40.70 +02 40 06.3 12.4 R 678
HJ0110 C2005 06 29.44435 20 57 22.09 +02 57 14.1 13.7 R 678
HJ0110 C2005 06 29.44547 20 57 29.49 +02 58 27.2 14.1 R 678
HJ0110 C2005 06 29.44773 20 57 44.85 +03 00 58.7 13.0 R 678
HJ0110 C2005 06 29.45003 20 58 00.94 +03 03 36.4 12.5 R 678
HJ0110 C2005 06 29.45121 20 58 09.06 +03 04 56.0 12.5 R 678
HJ0110 C2005 06 29.45242 20 58 17.37 +03 06 20.7 12.8 R 678
HJ0110 C2005 07 02.37286 22 14 41.66 +08 34 04.0 14.2 R 678
HJ0110 C2005 07 02.37413 22 14 50.91 +08 35 11.4 14.3 R 678
HJ0110 C2005 07 02.37535 22 14 59.33 +08 36 11.4 14.3 R 678
HJ0110 C2005 08 17.29266 23 30 25.09 +13 04 23.0 12.8 R 678
HJ0110 C2005 08 17.29384 23 30 44.58 +13 05 17.8 13.1 R 678
HJ0110 C2005 08 17.29503 23 31 04.41 +13 06 10.6 12.9 R 678
HJ0110 C2005 08 17.33892 23 44 27.87 +13 37 19.8 12.8 R 678
HJ0110 C2005 08 17.34012 23 44 53.96 +13 38 09.5 12.6 R 678
HJ0110 C2005 08 17.34134 23 45 20.47 +13 38 51.6 12.7 R 678
HJ0110 C2005 08 17.35940 23 52 00.34 +13 50 28.3 11.7 R 678
HJ0110 C2005 08 17.36060 23 52 29.66 +13 51 06.6 11.2 R 678
HJ0110 C2005 08 17.36182 23 52 58.53 +13 51 56.0 12.1 R 678
HJ0110 C2005 08 17.36718 23 55 09.23 +13 55 02.9 11.5 R 678
HJ0110 C2005 08 17.36836 23 55 38.78 +13 55 35.9 11.0 R 678
HJ0110 C2005 08 17.36955 23 56 11.16 +13 56 26.1 11.5 R 678
HJ0111 C2005 08 18.18798 22 12 36.10 +09 25 47.6 13.6 R 678
HJ0111 C2005 08 18.18914 22 12 43.97 +09 26 38.7 13.5 R 678
HJ0111 C2005 08 18.19032 22 12 52.18 +09 27 35.8 13.6 R 678
HJ0111 C2005 08 18.22666 22 16 52.48 +09 54 25.7 12.4 R 678
HJ0111 C2005 08 18.22786 22 17 00.35 +09 55 19.1 12.9 R 678
HJ0111 C2005 08 18.22906 22 17 07.92 +09 56 13.5 12.7 R 678
HJ0111 C2005 08 18.27508 22 21 46.85 +10 28 00.7 13.5 R 678
HJ0111 C2005 08 18.27629 22 21 54.11 +10 28 48.8 13.3 R 678
HJ0111 C2005 08 18.27748 22 22 01.11 +10 29 36.4 13.1 R 678
HJ0110 C2005 08 27.25491 22 44 35.39 +11 44 20.5 12.8 R 678
HJ0110 C2005 08 27.25612 22 44 44.49 +11 45 07.0 12.9 R 678
HJ0110 C2005 08 27.25733 22 44 53.42 +11 45 53.8 12.9 R 678
HJ0110 C2005 08 27.30861 22 51 19.09 +12 16 34.9 13.6 R 678
HJ0110 C2005 08 27.30983 22 51 28.50 +12 17 15.0 13.5 R 678
HJ0110 C2005 08 27.31102 22 51 37.85 +12 17 56.1 13.5 R 678
HJ0110 C2005 08 28.21810 21 51 55.39 +08 49 26.2 13.2 R 678
HJ0110 C2005 08 28.21925 21 52 01.46 +08 50 30.8 13.0 R 678
HJ0110 C2005 08 28.22046 21 52 08.95 +08 51 16.5 13.1 R 678
HJ0110 C2005 08 28.26844 21 56 26.28 +09 25 47.6 13.0 R 678
HJ0110 C2005 08 28.26966 21 56 32.60 +09 26 37.0 13.0 R 678
HJ0110 C2005 08 28.27089 21 56 38.96 +09 27 26.2 12.9 R 678
HJ0110 C2005 08 29.18915 20 48 56.05 +03 34 47.2 13.5 R 678
HJ0110 C2005 08 29.19032 20 49 10.19 +03 37 07.5 13.7 R 678
HJ0110 C2005 08 29.19150 20 49 24.67 +03 39 13.3 13.2 R 678
HJ0110 C2005 08 31.30556 23 54 49.37 +13 51 24.6 13.0 R 678
HJ0110 C2005 08 31.30677 23 55 16.54 +13 52 00.7 13.1 R 678
HJ0110 C2005 08 31.30797 23 55 44.08 +13 52 36.5 13.2 R 678
HJ0110 C2005 08 31.35587 00 17 46.89 +14 09 15.6 11.2 R 678
HJ0110 C2005 08 31.35714 00 18 30.04 +14 09 25.0 11.1 R 678
HJ0110 C2005 08 31.35833 00 19 12.82 +14 09 30.7 10.9 R 678
HJ0110 C2005 09 06.20841 22 13 31.42 +10 25 40.9 13.4 R 678
HJ0110 C2005 09 06.20961 22 13 38.23 +10 26 25.9 13.6 R 678
HJ0110 C2005 09 06.21080 22 13 45.05 +10 27 13.7 13.7 R 678
HJ0110 C2005 09 10.26678 22 58 16.56 +12 45 39.8 12.7 R 678
HJ0110 C2005 09 10.26793 22 58 26.13 +12 46 17.2 12.6 R 678
HJ0110 C2005 09 10.26910 22 58 35.89 +12 46 54.4 12.6 R 678
HJ0110 C2005 09 11.18929 21 59 25.95 +09 44 03.5 13.6 R 678
HJ0110 C2005 09 11.19046 21 59 32.24 +09 44 52.5 13.0 R 678
HJ0110 C2005 09 16.10814 21 37 32.90 +07 57 44.0 13.2 R 678
HJ0110 C2005 09 16.10932 21 37 42.43 +07 59 00.0 12.8 R 678
HJ0110 C2005 09 16.11048 21 37 51.42 +08 00 09.5 12.7 R 678
HJ0110 C2005 09 16.11274 21 38 09.24 +08 02 31.0 12.4 R 678
HJ0110 C2005 09 16.11389 21 38 18.27 +08 03 39.9 13.2 R 678
HJ0110 C2005 09 16.11505 21 38 26.70 +08 04 49.2 12.8 R 678
HJ0110 C2005 09 21.51422122 28 10.14 +16 16 09.1 12.8 R 413
HJ0110 C2005 09 21.51481022 28 13.39 +16 16 29.4 12.9 R 413
HJ0110 C2005 09 21.51599222 28 19.72 +16 17 08.8 12.9 R 413
HJ0110 C2005 09 21.54383222 30 52.033+16 32 06.89 12.6 R 413
HJ0110 C2005 09 21.54500522 30 58.585+16 32 43.32 12.7 R 413
HJ0110 C2005 09 21.54618322 31 05.154+16 33 19.63 12.8 R 413
HJ0110 C2005 09 21.60641422 37 06.802+17 01 42.76 12.5 R 413
HJ0110 C2005 09 21.60759022 37 14.526+17 02 13.14 12.7 R 413
HJ0110 C2005 09 21.60876522 37 22.277+17 02 43.56 12.8 R 413
HJ0110 C2005 09 25.17575 22 08 18.73 +10 43 14.2 13.4 R 678
HJ0110 C2005 09 25.17694 22 08 25.38 +10 44 03.9 13.2 R 678
HJ0110 C2005 09 25.17813 22 08 31.75 +10 44 49.7 13.6 R 678
HJ0110 C2005 09 29.17258 22 43 59.36 +12 23 13.7 12.8 R 678
HJ0110 C2005 09 29.17377 22 44 07.18 +12 23 51.8 12.7 R 678
HJ0110 C2005 10 03.18164 23 31 18.11 +13 42 07.5 13.0 R 678
HJ0110 C2005 10 03.18280 23 31 31.85 +13 42 37.9 13.1 R 678
HJ0110 C2005 10 03.18398 23 31 45.80 +13 43 09.0 13.1 R 678
HJ0110 C2005 10 05.12326 21 35 19.37 +08 52 10.8 13.4 R 678
HJ0110 C2005 10 05.12443 21 35 28.17 +08 53 17.3 13.6 R 678
HJ0110 C2005 10 05.12560 21 35 36.71 +08 54 25.2 13.7 R 678
HJ0110 C2005 10 08.16318 23 09 43.96 +13 21 33.2 12.8 R 678
HJ0110 C2005 10 08.16436 23 09 53.75 +13 22 11.2 12.8 R 678
HJ0110 C2005 10 08.16556 23 10 03.83 +13 22 42.2 12.8 R 678
HJ0110 C2005 10 22.14073 23 19 29.25 +13 45 43.9 13.0 R 678
HJ0110 C2005 10 22.14192 23 19 39.69 +13 46 11.3 12.8 R 678
HJ0110 C2005 10 22.14311 23 19 50.58 +13 46 38.5 13.0 R 678
HJ0110 C2005 10 26.20697 01 06 34.84 +13 21 35.2 10.8 R 678
HJ0110 C2005 10 26.20813 01 07 32.36 +13 19 55.4 10.5 R 678
HJ0110 C2005 10 26.20931 01 08 29.92 +13 18 13.7 10.7 R 678
HJ0110 C2005 10 27.11224 22 59 54.29 +13 21 11.1 13.5 R 678
HJ0110 C2005 10 27.11341 23 00 02.40 +13 21 41.8 13.5 R 678
HJ0110 C2005 10 27.11460 23 00 10.78 +13 22 08.6 13.4 R 678
HJ0110 C2005 11 01.09531 22 44 26.49 +12 59 12.0 12.9 R 678
HJ0110 C2005 11 01.09648 22 44 33.73 +12 59 40.7 12.8 R 678
HJ0110 C2006 10 12.19984 00 47 49.82 +08 27 37.4 x13.5 R 678
HJ0110 C2006 10 12.20102 00 47 57.69 +08 26 56.2 x13.0 R 678
HJ0110 C2006 10 12.20224 00 48 05.82 +08 26 16.4 x12.8 R 678
HJ0110 C2006 10 12.26136 00 54 18.39 +07 50 07.3 x12.7 R 678
HJ0110 C2006 10 12.26258 00 54 25.66 +07 49 20.4 x12.9 R 678
HJ0110 C2006 10 12.26381 00 54 33.19 +07 48 30.7 x12.3 R 678
HJ0110 C2006 10 12.26565 00 54 44.93 +07 47 11.2 x12.8 R 678
HJ0110 C2006 10 12.26807 00 54 59.72 +07 45 34.5 x12.3 R 678
HJ0110 C2006 10 12.27355 00 55 33.12 +07 41 46.7 x12.5 R 678
HJ0110 C2006 10 12.27469 00 55 40.38 +07 40 56.5 x12.4 R 678
HJ0110 C2006 10 12.27593 00 55 48.01 +07 40 03.7 x12.6 R 678
HJ0110 C2006 10 12.27931 00 56 08.40 +07 37 40.6 x13.6 R 678
HJ0110 C2006 10 12.28054 00 56 16.15 +07 36 45.8 x13.9 R 678
HJ0110 C2006 10 21.18819 01 10 09.91 +06 49 27.5 x12.9 R 678
HJ0110 C2006 10 21.18935 01 10 18.67 +06 48 36.4 x12.8 R 678
HJ0110 C2006 10 21.19055 01 10 27.83 +06 47 42.4 x13.1 R 678
HJ0110 C2006 10 22.15497 00 15 25.01 +09 58 51.1 x13.3 R 678
HJ0110 C2006 10 22.15613 00 15 33.72 +09 58 18.3 x13.1 R 678
HJ0110 C2006 10 22.15732 00 15 42.56 +09 57 45.4 x13.3 R 678
HJ0110 C2006 10 22.16570 00 16 42.18 +09 53 53.8 x13.3 R 678
HJ0110 C2006 10 22.16688 00 16 50.05 +09 53 22.5 x13.8 R 678
HJ0110 C2006 10 22.16808 00 16 58.22 +09 52 49.8 x13.5 R 678
HJ0110 C2006 10 22.26638 00 27 01.72 +09 03 25.8 x12.3 V 703
HJ0110 C2006 10 22.26911 00 27 18.10 +09 01 40.9 x12.3 V 703
HJ0110 C2006 10 22.27183 00 27 34.45 +08 59 55.8 x12.4 V 703
HJ0110 C2006 10 22.27456 00 27 50.76 +08 58 10.5 x12.5 V 703
HJ0110 C2006 10 23.11514 22 42 32.99 +12 39 33.8 x12.4 R 678
HJ0110 C2006 10 23.11630 22 43 05.03 +12 39 19.5 x11.6 R 678
HJ0110 C2006 10 23.11748 22 43 39.00 +12 39 12.4 x11.1 R 678
HJ0110 C2006 10 27.15165 23 58 59.42 +10 33 11.1 x13.1 R 678
HJ0110 C2006 10 27.15281 23 59 09.64 +10 32 37.1 x13.3 R 678
HJ0110 C2006 10 27.15401 23 59 19.44 +10 32 02.7 x13.6 R 678
Station data:
(413) Siding Spring Observatory (S31.277054 E149.066080) Australia/NSW.
Observers G. J. Garradd, R. H. McNaught. Measurer R. H. McNaught. 1.0-m
f/8 reflector + CCD.
(678) Fountain Hills (N33.635873 W111.740300) US/Arizona. Observers C. W.
Juels, P. R. Holvorcem. Measurer PinPoint Engine. 0.07-m f/2.8 refractor +
CCD.
(703) Catalina Sky Survey (N32.417003 W110.732640) US/Arizona. Observers
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
R. A. Kowalski, S. M. Larson, F. C. Shelly. 0.68 m Schmidt + CCD.
Orbital elements: HJ0110 = unk P=1.27d, i=17
Perigee 2005 Aug 31.489721 +/- 1.46e-5 TT = 11:45:11 (JD 2453613.989721)
Epoch 2005 Aug 31.0 TT; AMR 0.038378 +/- 0.000382 m2/kg Gray
M 221.05212 +/- 0.0041 (J2000 equator)
n 283.72852972 +/- 3.82e-5 Peri. 222.49173 +/- 0.0010
a 49507.1775 +/- 0.00444 Node 289.74953 +/- 0.0006
e 0.8622320 +/- 4.14e-6 Incl. 17.37843 +/- 0.00016
P1827.06m/1.269d H 28.6 G 0.15 U 5.9
q 6820.50084 +/- 0.205 Q 92193.8543 +/- 0.209
104 of 136 observations 2005 June 29-Nov. 1; mean residual 8".439
Residuals in arcseconds: 050629 678 3.51- 2.23+ 050828 678 2.76+ 2.30- 051008 678 7.08+ .654+ 050629 678 .248+ 4.96+ 050829 678 1.78- 7.28- 051022 678 5.63+ 2.10+ 050629 678 9.36+ 4.99+ 050829 678 3.02- .297+ 051022 678 4.15+ 2.79+ 050629 678 3.40+ 5.63+ 050829 678 .325+ 6.83- 051022 678 9.00+ 3.45+ 050629 678 7.71+ 8.68+ 050831 678 22.5- .237- 051026 678 23.4+ .270- 050629 678 2.97+ 7.21+ 050831 678 20.7- .425- 051026 678 35.6+ 1.77- 050629 678 .349- 4.36+ 050831 678 13.6- .265- 051026 678 20.8+ .019+ 050629 678 .254- 3.42+ 050831 678 27.4- .414+ 051027 678 2.73- .531+ 050629 678 7.21+ 7.08+ 050831 678 37.4- .083+ 051027 678 2.18- 2.10+ 050629 678 9.20+ 8.08+ 050831 678 20.6- 2.17- 051027 678 .312+ .558- 050629 678 11.1+ 12.5+ 050906 678 1.12- 6.62+ 051101 678 1.26- .768+ 050702 678 10.8- 4.81- 050906 678 .060- 4.46+ 051101 678 1.06+ 1.44- 050702 678 .775- .223+ 050906 678 2.19+ 5.63+ 061012 678(1738- 302+) 050702 678 2.08+ .356+ 050910 678 9.56- 2.27- 061012 678(1738- 300+) 050817 678 13.9- 4.70- 050910 678 3.89- .554- 061012 678(1737- 302+) 050817 678 9.72- 2.17- 050910 678 1.95+ .476+ 061012 678(1804- 340+) 050817 678 4.30- 2.00- 050911 678 1.83+ .605- 061012 678(1809- 344+) 050817 678 9.57+ .241+ 050911 678 2.89- 2.06- 061012 678(1811- 345+) 050817 678 27.7+ 1.73+ 050916 678 18.0- 10.7- 061012 678(1807- 342+) 050817 678 43.1+ 4.98- 050916 678 12.1- 6.60- 061012 678(1811- 347+) 050817 678 1.10+ 1.63- 050916 678 11.2- 7.48- 061012 678(1823- 352+) 050817 678 10.5+ 7.14- 050916 678 3.11- 2.34- 061012 678(1820- 351+) 050817 678 2.33+ 1.94- 050916 678 1.35+ 2.45- 061012 678(1822- 352+) 050817 678 26.7- 4.95- 050916 678 3.60- 2.50- 061012 678(1833- 356+) 050817 678 33.1- 12.8- 050921 413 2.00- 2.04- 061012 678(1832- 355+) 050817 678 6.35- 3.33- 050921 413 .989- 1.53- 061021 678(1982- 423+) 050818 678 3.01- .936- 050921 413 1.77- 1.76- 061021 678(1980- 422+) 050818 678 5.51- 2.70- 050921 413 1.69- 1.50- 061021 678(1976- 420+) 050818 678 4.66- .709+ 050921 413 1.45- 1.40- 061022 678(1976- 264+) 050818 678 .550+ 3.24- 050921 413 1.56- 1.45- 061022 678(1969- 263+) 050818 678 4.61+ 1.74- 050921 413 2.33- .945- 061022 678(1963- 263+) 050818 678 4.51+ .843+ 050921 413 2.40- .912- 061022 678(1948- 265+) 050818 678 3.96- 4.10- 050921 413 2.45- .711- 061022 678(1952- 268+) 050818 678 2.13- 4.18- 050925 678 1.25+ 3.80- 061022 678(1953- 269+) 050818 678 2.29- 3.86- 050925 678 2.68+ 1.21+ 061022 703(1854- 284+) 050827 678 4.49+ 1.46- 050925 678 .174+ 2.50+ 061022 703(1850- 284+) 050827 678 6.75+ .951- 050929 678 5.00- 1.72- 061022 703(1847- 284+) 050827 678 6.49+ .041- 050929 678 2.70- .904- 061022 703(1845- 285+) 050827 678 2.05- 1.82- 051003 678 1.76+ 3.53+ 061023 678(6072- 167+) 050827 678 3.37- 2.89- 051003 678 1.76+ 3.41+ 061023 678(6011- 170+) 050827 678 2.46- 1.83- 051003 678 .779+ 3.64+ 061023 678(5925- 181+) 050828 678 2.89- 2.32- 051005 678 6.95+ 4.12+ 061027 678(2332- 275+) 050828 678 9.38- 9.01+ 051005 678 7.88+ 3.67+ 061027 678(2319- 273+) 050828 678 .465+ 1.17- 051005 678 5.44+ 4.96+ 061027 678(2317- 273+) 050828 678 2.13+ 2.55- 051008 678 7.45+ 2.91- 050828 678 2.48+ 2.22- 051008 678 6.44+ 2.57+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -- -- -- ------------ ------------ ------ ------ ----- --- ---- --- 2005 11 01 00 22 23 32.131 +13 49 34.61 91761 0.9929 121.7 14.6 .97 74 2005 11 01 01 22 30 46.078 +14 05 36.97 91873 0.9929 123.4 14.5 .90 74 2005 11 01 02 22 38 02.475 +14 20 53.64 91461 0.9929 125.1 14.5 .85 75 2005 11 01 03 22 45 26.406 +14 35 32.90 90519 0.9929 126.9 14.4 .83 75 2005 11 01 04 22 53 03.417 +14 49 41.35 89039 0.9929 128.7 14.3 .83 76 2005 11 01 05 23 00 59.919 +15 03 24.09 87003 0.9929 130.6 14.2 .87 77 2005 11 01 06 23 09 23.734 +15 16 44.58 84388 0.9929 132.6 14.1 .95 79 2005 11 01 07 23 18 24.917 +15 29 44.25 81161 0.9929 134.8 13.9 1.1 80 2005 11 01 08 23 28 17.070 +15 42 21.38 77275 0.9928 137.1 13.8 1.3 82 2005 11 01 09 23 39 19.614 +15 54 28.67 72671 0.9928 139.8 13.6 1.6 84 2005 11 01 10 23 52 02.014 +16 05 47.78 67264 0.9928 142.8 13.3 2.1 85 2005 11 01 11 00 07 12.397 +16 15 36.03 60935 0.9928 146.4 13.0 2.9 87 2005 11 01 12 00 26 17.364 +16 22 09.81 53510 0.9927 150.9 12.6 4.3 89 2005 11 01 13 00 52 15.862 +16 20 44.15 44711 0.9927 157.1 12.0 6.9 91 2005 11 01 14 01 32 49.470 +15 54 40.43 34057 0.9926 166.8 11.1 13.5 94 2005 11 01 15 02 58 39.789 +13 26 23.69 20602 0.9925 172.3 Sha 41.8 100 2005 11 01 16 11 38 54.248 -15 54 17.99 7278 0.9923 40.6 13?? 370 94 2005 11 01 17 18 27 37.198 -00 35 41.06 22371 0.9923 60.9 14.2 40.5 73 2005 11 01 18 19 38 55.801 +04 34 44.92 35425 0.9923 79.4 14.1 16.1 74 2005 11 01 19 20 14 25.192 +06 59 57.47 45825 0.9923 88.5 14.2 9.4 74 2005 11 01 20 20 37 46.983 +08 29 34.57 54443 0.9924 94.5 14.4 6.4 74 2005 11 01 21 20 55 16.160 +09 32 51.62 61728 0.9924 98.9 14.5 4.7 74 2005 11 01 22 21 09 22.225 +10 21 15.36 67940 0.9924 102.4 14.5 3.7 75 2005 11 01 23 21 21 18.931 +11 00 16.43 73247 0.9924 105.4 14.6 3.0 75 2005 11 02 00 21 31 47.881 +11 32 56.42 77762 0.9925 107.9 14.6 2.4 75 2005 11 02 01 21 41 14.875 +12 01 04.67 81566 0.9925 110.3 14.7 2.0 75 2005 11 02 02 21 49 57.123 +12 25 51.57 84718 0.9925 112.4 14.7 1.7 74 2005 11 02 03 21 58 06.831 +12 48 04.95 87262 0.9925 114.4 14.7 1.5 74 2005 11 02 04 22 05 53.147 +13 08 18.64 89229 0.9925 116.3 14.7 1.3 74 2005 11 02 05 22 13 23.303 +13 26 57.45 90644 0.9925 118.1 14.7 1.2 74