"Pseudo-MPEC" for YS18A5C
Created 2017 Sep 20 11:09:04 UT using Find_Orb
Almost certainly the same object as YS16534. Here's a linked orbit.
Astrometry:
YS18A5C C2017 09 20.28675 00 42 59.37 -05 57 42.0 17.6 VqNEOCP703
YS18A5C C2017 09 20.29210 00 43 24.79 -05 54 07.3 17.4 VqNEOCP703
YS18A5C C2017 09 20.29746 00 43 50.42 -05 50 29.9 18.4 VqNEOCP703
YS18A5C C2017 09 20.32598 00 46 07.40 -05 30 35.1 17.1 VqNEOCPI52
YS18A5C C2017 09 20.32644 00 46 09.61 -05 30 15.0 17.3 VqNEOCPI52
YS18A5C C2017 09 20.32689 00 46 11.80 -05 29 55.5 17.1 VqNEOCPI52
Station data:
(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.
(I52) Steward Observatory, Mt. Lemmon Station (N32.442544 W110.788920)
US/Arizona.
Orbital elements: YS18A5C
Perigee 2017 Sep 20.998136 +/- 0.344 TT = 23:57:19 (JD 2458017.498136)
Epoch 2017 Sep 20.0 TT = JDT 2458016.5 Gray
M 217.25075 +/- 60 (J2000 equator)
n 143.01580051 +/- 92.8 Peri. 151.90083 +/- 8
a 78165.3287 +/- 39606 Node 21.10338 +/- 11
e 0.7957316 +/- 0.108 Incl. 20.36929 +/- 0.06
P3624.71m/2.517d H 32.3 G 0.15 U 15.8
q 15966.7052 +/- 23865 Q 140363.952 +/- 83630
From 6 observations 2017 Sept. 20 (57.8 min); mean residual 0".334
Residuals in arcseconds: 170920 703 .352+ .026+ 170920 703 .589+ .108- 170920 I52 .142- .048+ 170920 703 .893- .023+ 170920 I52 1.1m- .133- 170920 I52 .125+ .044+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -- -- -- ------------ ------------ ------ ------ ----- --- ---- --- 2017 09 20 11 01 05 43.032 -01 43 55.37 106921 1.0049 161.2 17.5 6137 48 2017 09 20 12 01 13 15.340 -01 02 02.15 102560 1.0049 159.4 17.5 9057 58 2017 09 20 13 01 21 29.326 -00 16 11.55 97846 1.0048 157.3 17.5 232' 64 2017 09 20 14 01 30 35.434 +00 34 31.04 92749 1.0047 155.1 17.4 372' 68 2017 09 20 15 01 40 48.064 +01 31 19.06 87238 1.0047 152.5 17.3 650' 70 2017 09 20 16 01 52 27.781 +02 35 54.18 81270 1.0046 149.5 17.3 23d 71 2017 09 20 17 02 06 05.259 +03 50 41.73 74794 1.0046 146.0 17.2 177d 48 2017 09 20 18 02 22 28.797 +05 19 17.46 67748 1.0045 141.8 17.1 117d 74 2017 09 20 19 02 42 59.974 +07 07 15.61 60051 1.0044 136.6 17.0 110d 74 2017 09 20 20 03 10 10.144 +09 23 36.27 51603 1.0043 129.6 16.9 111d 75 2017 09 20 21 03 49 19.352 +12 23 02.57 42295 1.0042 119.7 16.7 116d 77 2017 09 20 22 04 54 03.951 +16 24 15.72 32088 1.0041 103.7 16.6 129d 82 2017 09 20 23 07 07 58.269 +20 19 51.06 21597 1.0040 72.0 17.1 158d 96 2017 09 21 00 11 57 18.029 +07 50 24.75 15976 1.0040 7.1 33?? 133d 105 2017 09 21 01 16 08 41.476 -13 43 23.35 22739 1.0040 65.0 17.7 69d 102 2017 09 21 02 18 08 18.054 -19 21 16.89 33303 1.0041 93.9 17.0 42d 92 2017 09 21 03 19 12 46.544 -20 21 24.12 43415 1.0041 108.9 17.1 28d 85 2017 09 21 04 19 53 47.833 -20 13 31.47 52620 1.0042 118.4 17.2 20d 80 2017 09 21 05 20 22 54.554 -19 46 10.24 60976 1.0042 125.2 17.3 912' 75 2017 09 21 06 20 45 06.679 -19 13 15.05 68594 1.0043 130.3 17.4 690' 70 2017 09 21 07 21 02 54.642 -18 39 23.93 75571 1.0043 134.5 17.5 527' 65 2017 09 21 08 21 17 42.541 -18 06 15.60 81984 1.0044 137.9 17.6 407' 60 2017 09 21 09 21 30 21.371 -17 34 23.52 87897 1.0044 140.9 17.7 318' 53 2017 09 21 10 21 41 24.045 -17 03 55.59 93358 1.0045 143.5 17.8 254' 46 2017 09 21 11 21 51 12.879 -16 34 49.44 98408 1.0045 145.8 17.8 211' 39 2017 09 21 12 22 00 03.623 -16 06 58.78 103079 1.0045 147.9 17.8 183' 33 2017 09 21 13 22 08 07.762 -15 40 16.08 107399 1.0045 149.7 17.9 169' 29 2017 09 21 14 22 15 33.909 -15 14 33.71 111390 1.0046 151.5 17.9 167' 31 2017 09 21 15 22 22 28.680 -14 49 44.47 115072 1.0046 153.1 17.9 179' 37 2017 09 21 16 22 28 57.261 -14 25 41.72 118461 1.0046 154.6 17.9 213' 45