103P

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2010-10-21 (JD 2455491.0)
Eccentricity (e)0.6950806879 ± 8.50e-07
Semi-major axis (a)3.4719838601 AU ± 1.01e-05
Inclination (i)13.61944472° ± 8.09e-06
Long. of Asc. Node (Ω)219.75855271° ± 1.72e-05
Arg. of Perihelion (ω)181.20579728° ± 2.65e-05
Mean Anomaly (M)358.96974617° ± 5.77e-06
Mean Motion (n)0.1523511475°/day ± 6.62e-07
Perihelion dist (q)1.05867493 AU ± 4.26e-06
Aphelion dist (Q)5.88529279 AU ± 1.73e-05
Orbital Period6.46943787 yr ± 2.81e-05
Physical Parameters
Diameter1.600 km
Rotation Period18.100 h
NGA Sets
NGA Modelg(r)
Set 1
Interval 1 2010-03-01 — 2010-09-01
A1-1.54957190e-08 AU/d² ± 1.66e-10
A24.13637886e-09 AU/d² ± 9.05e-11
A3-1.80570947e-09 AU/d² ± 1.45e-10
Set 2
Interval 1 2010-09-01 — 2010-10-28
A13.83863289e-09 AU/d² ± 1.55e-10
A2-4.38193650e-09 AU/d² ± 1.74e-10
A3-5.63848079e-10 AU/d² ± 1.28e-10
Set 3
Interval 1 2010-10-28 — 2011-01-01
A14.59554332e-09 AU/d² ± 2.37e-10
A25.74301617e-09 AU/d² ± 1.24e-10
A32.27234321e-09 AU/d² ± 1.04e-10
Set 4
Interval 1 2011-01-01 — 2011-06-01
A1-1.71641261e-08 AU/d² ± 1.49e-10
A2-7.23628355e-09 AU/d² ± 1.09e-10
A3-6.29889614e-10 AU/d² ± 8.91e-11
Set 5
Interval 1 1900-01-01 — 2100-01-01
S(R)-44.7 km ± 1.94e+01
S(T)258.1 km ± 2.51e+01
S(N)397.7 km ± 1.31e+01
Orbit Solution
SourceIAA
Solution Date2026-06-08
RMS Residual0.700″
Uncertainty0
Orbit TypeAmor
MOID0.065145 AU
Observations Used8892
Radar Obs Used6
Oppositions33
Arc Total1986-2025
First Observation Used1997-05-02
Last Observation Used2025-04-28
Observations (9766)
Date Type RA Dec Mag Band Observatory
2010-09-30 21:46:35 C 00 40 58.05 +54 59 42.9 c J47
2010-09-30 21:54:45 C 00 41 01.26 +54 59 54.5 c J47
2010-09-30 22:01:01 C 00 41 03.73 +55 00 03.0 c J47
2010-09-30 23:01:31 C 00 41 24.12 +55 01 13.8 c 583
2010-09-30 23:02:16 C 00 41 24.41 +55 01 14.6 c 583
2010-09-30 23:03:15 C 00 41 24.81 +55 01 16.0 c 583
2010-09-30 23:04:00 C 00 41 25.10 +55 01 16.8 c 583
2010-09-30 23:05:05 C 00 41 25.52 +55 01 18.2 c 583
2010-09-30 23:05:46 C 00 41 25.78 +55 01 18.9 c 583
2010-09-30 23:09:10 C 00 41 27.14 +55 01 22.9 c 583
2010-09-30 23:09:55 C 00 41 27.44 +55 01 24.0 c 583
2010-09-30 23:13:27 C 00 41 28.84 +55 01 28.5 c 583
2010-09-30 23:14:10 C 00 41 29.12 +55 01 29.3 c 583
2010-09-30 23:15:01 C 00 41 29.45 +55 01 30.2 c 583
2010-09-30 23:15:45 C 00 41 29.73 +55 01 31.3 c 583
2010-09-30 23:16:26 C 00 41 30.02 +55 01 32.1 c 583
2010-09-30 23:17:17 C 00 41 30.34 +55 01 33.0 c 583
2010-09-30 23:19:13 C 00 41 31.12 +55 01 35.4 c 583
2010-09-30 23:20:03 C 00 41 31.44 +55 01 36.3 c 583
2010-10-01 01:58:15 C 00 42 41.98 +55 04 50.0 o 850
2010-10-01 02:31:23 C 00 42 55.36 +55 05 35.0 o 850
2010-10-01 03:03:43 C 00 43 08.38 +55 06 18.4 o 850
2010-10-01 03:08:59 C 00 43 04.45 +55 06 14.7 d A77
2010-10-01 03:15:13 C 00 43 06.96 +55 06 21.8 d A77
2010-10-01 03:22:34 C 00 43 09.95 +55 06 30.3 d A77
2010-10-01 03:26:45 C 00 43 11.64 +55 06 34.8 d A77
2010-10-01 03:35:44 C 00 43 21.24 +55 07 00.6 o 850
2010-10-01 03:36:34 C 00 43 15.64 +55 06 46.0 d A77
2010-10-01 03:45:38 C 00 43 19.35 +55 06 56.2 d A77
2010-10-01 05:10:52 C 00 44 00.75 +55 09 00.3 u H10
2010-10-01 05:11:36 C 00 44 01.04 +55 09 01.3 u H10
2010-10-01 05:12:21 C 00 44 01.32 +55 09 02.2 u H10
2010-10-01 05:19:09 C 00 44 04.23 +55 09 11.5 o H10
2010-10-01 05:42:01 C 00 44 13.39 +55 09 41.2 o H10
2010-10-01 08:46:30 C 00 45 27.74 +55 13 25.1 c H10
2010-10-01 08:50:06 C 00 45 29.23 +55 13 29.3 c H10
2010-10-01 08:53:37 C 00 45 30.68 +55 13 33.3 c H10
2010-10-01 08:56:42 C 00 45 31.95 +55 13 37.1 c H10
2010-10-01 10:19:51 C 00 46 13.57 +55 14 58.0 u D95
2010-10-01 10:25:47 C 00 46 16.05 +55 15 05.9 u D95
2010-10-01 10:31:35 C 00 46 18.46 +55 15 13.5 u D95
2010-10-01 12:23:49 C 00 47 05.85 +55 17 38.7 u 367
2010-10-01 12:26:45 C 00 47 07.07 +55 17 42.5 u 367
2010-10-01 12:29:39 C 00 47 08.29 +55 17 46.2 u 367
2010-10-01 19:04:32 C 00 50 00.59 +55 25 04.0 o J16
2010-10-01 19:08:16 C 00 50 02.23 +55 25 09.0 o J16
2010-10-01 19:11:54 C 00 50 03.82 +55 25 13.4 o J16
2010-10-01 19:15:33 C 00 50 05.40 +55 25 17.8 o J16
2010-10-01 19:19:11 C 00 50 07.02 +55 25 22.9 o J16
2010-10-01 20:53:33 C 00 50 47.83 +55 27 27.0 u 510
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2010-10-24 07:50:00 -35963.2427 0.5 Hz 2380 -1 -1
2010-10-24 08:02:00 123053086.64 4 us 2380 -1 -1
2010-10-25 07:34:00 124535088.24 1.5 us 2380 -1 -1
2010-10-26 09:26:00 126533148.82 2 us 2380 -1 -1
2010-10-27 07:40:00 128543233.13 3 us 2380 -1 -1
2010-10-29 09:34:00 133954458.1 3 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)