"Pseudo-MPEC" for 8D9R001
Created 2025 Nov 30 13:35:03 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
8D9R001*KB2025 11 28.03142409 10 40.246+20 26 14.86 ~BS1Z 19.3 GXNEOCPK19
8D9R001 KB2025 11 28.03520809 10 40.644+20 26 12.59 ~BS1Z 19.9 GXNEOCPK19
8D9R001 KB2025 11 28.03894709 10 41.093+20 26 11.47 ~BS1Z 19.1 GXNEOCPK19
8D9R001* C2025 11 29.82220509 21 02.48 +19 30 09.8 ~BUC5 19.6 RVNEOCPD29
8D9R001 C2025 11 29.83634609 21 01.32 +19 29 46.5 ~BUC5 19.6 RVNEOCPD29
8D9R001 C2025 11 29.85048809 21 00.01 +19 29 20.2 ~BUC5 19.3 RVNEOCPD29
8D9R001 1C2025 11 30.44441409 25 07.529+19 06 36.83 ~BUC5 18.97GVNEOCPG96
8D9R001 1C2025 11 30.44954709 25 07.180+19 06 29.12 ~BUC5 19.55GVNEOCPG96
8D9R001 1C2025 11 30.45467809 25 06.827+19 06 21.31 ~BUC5 19.54GVNEOCPG96
8D9R001 1C2025 11 30.45981009 25 06.467+19 06 13.03 ~BUC5 19.65GVNEOCPG96
Station data:
(D29) Purple Mountain Observatory, XuYi Station (N32.734363 E118.463900)
China. Observers H. B. Zhao, B. Li, G. Zhaori, R. Q. Hong, L. F. Hu.
Measurers H. B. Zhao, B. Li. H. Lu, G. Zhaori. 1.04-m f/1.8 Schmidt + CCD.
(G96) Mt. Lemmon Survey (N32.442729 W110.788720) US/Arizona. Observer E.
J. Christensen. Measurers T. Beuden, V. F. Carvajal, D. Fay, J. B.
Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. K. Hogan,
R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F.
C. Shelly, K. W. Wierzchoś. 1.5-m reflector + 10K CCD.
(K19) PASTIS Observatory, Banon (N43.999459 E5.647310) France. Observer C.
Demeautis. 0.16-m f/3.3 reflector + CCD.
Orbital elements: 8D9R001
Perihelion 2026 Feb 19.071735 +/- 0.416 TT = 1:43:17.9 (JD 2461090.571735)
Epoch 2025 Nov 30.0 TT = JDT 2461009.5 Earth MOID: 0.0000 AutoNEOCP
M 279.041284491 +/- 0.43 (J2000 ecliptic)
n 0.998605927 +/- 0.000188 Peri. 249.568976 +/- 0.45
a 0.991303461 +/- 0.000124 Node 261.499757 +/- 0.020
e 0.01821189 +/- 2.78e-5 Incl. 0.101310 +/- 0.00048
P 0.987/360.496d H 28.16 G 0.15 U 7.0
q 0.973249944 +/- 0.000149 Q 1.009356978 +/- 9.99e-5
From 10 observations 2025 Nov. 28-30; mean residual 0".20
Residuals in arcseconds: 251128 K19 .35+ .27+ 251129 D29 .08+ .01+ 251130 G96 .19- .11+ 251128 K19 .39- .40- 251129 D29 .03+ .12- 251130 G96 .00 .20+ 251128 K19 .06+ .17+ 251130 G96 .35+ .06- 251129 D29 .18- .07- 251130 G96 .10- .10- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2025 11 30 14 09 25 31.528 +19 06 38.95 .00679 .98860 110.5 19.7 1.63 127 2025 11 30 15 09 25 47.792 +19 05 01.99 .00678 .98859 110.5 19.7 1.68 126 2025 11 30 16 09 26 04.090 +19 03 24.69 .00677 .98858 110.4 19.7 1.73 126 2025 11 30 17 09 26 20.422 +19 01 47.05 .00676 .98857 110.4 19.7 1.79 125 2025 11 30 18 09 26 36.790 +19 00 09.07 .00676 .98855 110.4 19.7 1.85 124 2025 11 30 19 09 26 53.192 +18 58 30.74 .00675 .98854 110.4 19.7 1.91 123 2025 11 30 20 09 27 09.630 +18 56 52.06 .00674 .98853 110.3 19.7 1.98 123 2025 11 30 21 09 27 26.104 +18 55 13.03 .00673 .98851 110.3 19.7 2.05 122 2025 11 30 22 09 27 42.614 +18 53 33.65 .00672 .98850 110.3 19.7 2.12 122 2025 11 30 23 09 27 59.160 +18 51 53.91 .00671 .98849 110.2 19.7 2.19 121 2025 12 01 00 09 28 15.742 +18 50 13.81 .00670 .98847 110.2 19.7 2.26 120 2025 12 01 01 09 28 32.362 +18 48 33.34 .00669 .98846 110.2 19.7 2.34 120 2025 12 01 02 09 28 49.019 +18 46 52.52 999897 .98845 110.2 19.7 2.42 120 2025 12 01 03 09 29 05.714 +18 45 11.32 998536 .98843 110.1 19.7 2.50 119 2025 12 01 04 09 29 22.446 +18 43 29.76 997172 .98842 110.1 19.7 2.59 119 2025 12 01 05 09 29 39.217 +18 41 47.82 995804 .98841 110.1 19.7 2.68 118 2025 12 01 06 09 29 56.026 +18 40 05.50 994432 .98839 110.0 19.7 2.77 118 2025 12 01 07 09 30 12.874 +18 38 22.81 993057 .98838 110.0 19.7 2.86 117 2025 12 01 08 09 30 29.761 +18 36 39.74 991677 .98837 110.0 19.7 2.95 117 2025 12 01 09 09 30 46.688 +18 34 56.28 990294 .98835 110.0 19.7 3.05 117 2025 12 01 10 09 31 03.655 +18 33 12.44 988907 .98834 109.9 19.7 3.15 117 2025 12 01 11 09 31 20.661 +18 31 28.20 987516 .98833 109.9 19.7 3.25 116 2025 12 01 12 09 31 37.709 +18 29 43.58 986122 .98831 109.9 19.7 3.36 116 2025 12 01 13 09 31 54.797 +18 27 58.55 984723 .98830 109.8 19.7 3.47 116 2025 12 01 14 09 32 11.927 +18 26 13.13 983321 .98829 109.8 19.7 3.58 115 2025 12 01 15 09 32 29.098 +18 24 27.31 981915 .98827 109.8 19.7 3.69 115 2025 12 01 16 09 32 46.311 +18 22 41.09 980505 .98826 109.7 19.7 3.80 115 2025 12 01 17 09 33 03.566 +18 20 54.45 979091 .98825 109.7 19.7 3.92 115 2025 12 01 18 09 33 20.864 +18 19 07.41 977673 .98823 109.7 19.7 4.04 115 2025 12 01 19 09 33 38.205 +18 17 19.95 976251 .98822 109.6 19.7 4.16 114 2025 12 01 20 09 33 55.589 +18 15 32.07 974826 .98820 109.6 19.7 4.28 114 2025 12 01 21 09 34 13.017 +18 13 43.78 973396 .98819 109.6 19.7 4.41 114 2025 12 01 22 09 34 30.488 +18 11 55.06 971962 .98818 109.5 19.7 4.54 114 2025 12 01 23 09 34 48.005 +18 10 05.91 970525 .98816 109.5 19.7 4.67 114 2025 12 02 00 09 35 05.566 +18 08 16.34 969083 .98815 109.5 19.7 4.80 114 2025 12 02 01 09 35 23.172 +18 06 26.33 967638 .98814 109.4 19.7 4.93 114 2025 12 02 02 09 35 40.824 +18 04 35.88 966188 .98812 109.4 19.7 5.07 113 2025 12 02 03 09 35 58.522 +18 02 45.00 964735 .98811 109.4 19.7 5.21 113 2025 12 02 04 09 36 16.266 +18 00 53.67 963277 .98810 109.3 19.6 5.35 113 2025 12 02 05 09 36 34.057 +17 59 01.90 961815 .98808 109.3 19.6 5.49 113 2025 12 02 06 09 36 51.895 +17 57 09.68 960350 .98807 109.3 19.6 5.64 113 2025 12 02 07 09 37 09.780 +17 55 17.00 958880 .98805 109.2 19.6 5.79 113 2025 12 02 08 09 37 27.714 +17 53 23.87 957406 .98804 109.2 19.6 5.94 113 2025 12 02 09 09 37 45.695 +17 51 30.27 955928 .98803 109.2 19.6 6.09 113 2025 12 02 10 09 38 03.726 +17 49 36.22 954446 .98801 109.1 19.6 6.25 113 2025 12 02 11 09 38 21.805 +17 47 41.69 952959 .98800 109.1 19.6 6.40 113 2025 12 02 12 09 38 39.934 +17 45 46.70 951469 .98799 109.1 19.6 6.56 113 2025 12 02 13 09 38 58.113 +17 43 51.23 949974 .98797 109.0 19.6 6.72 113