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
2010-09-29 20:36:08 C 00 31 04.66 +54 26 23.5 o J16
2010-09-29 20:43:21 C 00 31 07.32 +54 26 33.7 o J16
2010-09-29 20:50:38 C 00 31 09.99 +54 26 44.1 o J16
2010-09-29 21:10:50 C 00 31 17.01 +54 27 21.1 v B33
2010-09-29 21:28:10 C 00 31 23.19 +54 27 45.6 v B33
2010-09-29 21:37:00 C 00 31 25.38 +54 27 55.7 c B51
2010-09-29 21:52:43 C 00 31 31.11 +54 28 17.4 c B51
2010-09-29 22:12:14 C 00 31 37.39 +54 28 42.4 c B51
2010-09-29 23:18:25 C 00 32 03.96 +54 30 20.1 u 958
2010-09-29 23:41:34 C 00 32 12.32 +54 30 51.4 u 958
2010-09-29 23:52:52 C 00 32 16.43 +54 31 06.8 u 958
2010-09-30 00:03:11 C 00 32 20.19 +54 31 20.5 u 958
2010-09-30 00:14:59 C 00 32 24.45 +54 31 37.2 u 958
2010-09-30 00:26:28 C 00 32 28.60 +54 31 51.7 u 958
2010-09-30 00:47:07 C 00 32 36.14 +54 32 19.1 u 958
2010-09-30 05:51:50 C 00 34 35.26 +54 39 12.7 o H10
2010-09-30 05:55:58 C 00 34 36.83 +54 39 18.6 o H10
2010-09-30 07:17:49 C 00 35 07.03 +54 41 08.3 c H10
2010-09-30 07:22:35 C 00 35 08.80 +54 41 14.6 c H10
2010-09-30 07:30:26 C 00 35 11.74 +54 41 25.0 c H10
2010-09-30 07:38:41 C 00 35 14.82 +54 41 35.6 c H10
2010-09-30 07:46:37 C 00 35 17.74 +54 41 46.1 c H10
2010-09-30 13:18:00 C 00 37 31.13 +54 48 53.9 u 367
2010-09-30 13:20:54 C 00 37 32.23 +54 48 57.8 u 367
2010-09-30 13:23:50 C 00 37 33.34 +54 49 01.7 u 367
2010-09-30 19:06:15 C 00 39 51.18 +54 56 03.6 u A98
2010-09-30 19:07:25 C 00 39 51.57 +54 56 04.7 u A98
2010-09-30 19:08:34 C 00 39 52.05 +54 56 06.7 u A98
2010-09-30 19:09:42 C 00 39 52.48 +54 56 08.0 u A98
2010-09-30 19:10:51 C 00 39 52.95 +54 56 09.1 u A98
2010-09-30 19:12:00 C 00 39 53.45 +54 56 11.1 u A98
2010-09-30 19:13:09 C 00 39 53.84 +54 56 12.6 u A98
2010-09-30 19:15:29 C 00 39 54.81 +54 56 15.6 u A98
2010-09-30 19:18:57 C 00 39 56.18 +54 56 20.7 u A98
2010-09-30 19:20:06 C 00 39 56.62 +54 56 22.2 u A98
2010-09-30 19:22:23 C 00 39 57.55 +54 56 24.7 u A98
2010-09-30 19:23:32 C 00 39 58.00 +54 56 26.7 u A98
2010-09-30 19:24:42 C 00 39 58.43 +54 56 28.3 u A98
2010-09-30 19:25:52 C 00 39 58.88 +54 56 29.8 u A98
2010-09-30 19:29:28 C 00 40 02.41 +54 56 29.5 c I92
2010-09-30 19:30:25 C 00 40 00.70 +54 56 36.2 u A98
2010-09-30 19:33:28 C 00 40 01.93 +54 56 40.2 u A98
2010-09-30 19:50:43 C 00 40 11.13 +54 56 58.9 c I92
2010-09-30 20:21:20 C 00 40 23.21 +54 57 43.7 u J28
2010-09-30 20:26:54 C 00 40 25.56 +54 57 51.6 c I92
2010-09-30 20:29:44 C 00 40 26.58 +54 57 55.2 u J28
2010-09-30 20:38:48 C 00 40 30.15 +54 58 07.6 u J28
2010-09-30 21:01:21 C 00 40 40.09 +54 58 38.6 c J51
2010-09-30 21:10:16 C 00 40 43.63 +54 58 51.1 c J51
2010-09-30 21:18:25 C 00 40 46.90 +54 59 02.3 c J51
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)