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
2010-09-25 12:44:26 C 23 58 29.56 +51 54 17.2 u 379
2010-09-25 12:47:07 C 23 58 30.21 +51 54 21.3 u 379
2010-09-25 13:07:33 C 23 58 35.18 +51 54 54.0 u 379
2010-09-25 13:09:26 C 23 58 35.63 +51 54 56.5 u 379
2010-09-25 16:13:34 C 23 59 20.79 +51 59 36.6 m 349
2010-09-25 16:29:38 C 23 59 24.80 +52 00 00.3 m 349
2010-09-25 16:45:35 C 23 59 28.80 +52 00 23.7 m 349
2010-09-25 19:06:33 C 00 00 09.86 +52 03 40.7 c B51
2010-09-25 19:51:18 C 00 00 22.76 +52 04 58.8 c 213
2010-09-25 19:54:38 C 00 00 23.65 +52 05 04.2 c 213
2010-09-25 20:03:02 C 00 00 25.82 +52 05 17.4 c 213
2010-09-25 20:15:08 C 00 00 27.52 +52 05 31.7 c B51
2010-09-26 02:45:44 C 00 02 14.77 +52 15 35.5 o H10
2010-09-26 03:30:14 C 00 02 26.47 +52 16 47.6 o H10
2010-09-26 03:57:33 C 00 02 33.63 +52 17 31.4 o H10
2010-09-26 19:20:45 C 00 06 54.01 +52 40 38.0 o J98
2010-09-26 19:23:07 C 00 06 54.70 +52 40 42.2 o J98
2010-09-26 19:25:28 C 00 06 55.33 +52 40 45.6 o J98
2010-09-26 19:32:58 C 00 06 56.72 +52 40 53.8 o B96
2010-09-26 19:38:40 C 00 06 58.31 +52 41 02.7 o B96
2010-09-26 19:38:59 C 00 06 58.68 +52 41 07.5 d A77
2010-09-26 19:44:21 C 00 06 59.93 +52 41 11.7 o B96
2010-09-26 19:48:13 C 00 07 01.28 +52 41 20.0 o C23
2010-09-26 19:50:01 C 00 07 01.54 +52 41 20.8 o B96
2010-09-26 19:55:43 C 00 07 03.14 +52 41 29.8 o B96
2010-09-26 20:01:22 C 00 07 04.73 +52 41 38.7 o B96
2010-09-26 20:04:56 C 00 07 06.00 +52 41 46.7 o C23
2010-09-26 20:07:05 C 00 07 06.41 +52 41 48.0 o B96
2010-09-26 20:12:48 C 00 07 07.96 +52 41 56.8 o B96
2010-09-26 20:13:46 C 00 07 08.55 +52 42 02.8 d A77
2010-09-26 20:17:23 C 00 07 09.24 +52 42 03.9 o B96
2010-09-26 20:20:19 C 00 07 10.39 +52 42 10.7 o C23
2010-09-26 20:31:37 C 00 07 13.49 +52 42 30.3 d A77
2010-09-26 20:35:32 C 00 07 14.52 +52 42 34.4 o C23
2010-09-26 20:49:38 C 00 07 18.42 +52 42 56.2 o C23
2010-09-26 21:19:50 C 00 07 27.06 +52 43 37.9 o J16
2010-09-26 21:32:16 C 00 07 30.57 +52 43 57.2 o J16
2010-09-26 21:48:04 C 00 07 35.02 +52 44 21.9 o J16
2010-09-26 22:22:32 C 00 07 45.09 +52 45 22.0 w J38
2010-09-26 22:23:15 C 00 07 45.28 +52 45 23.1 w J38
2010-09-26 22:26:54 C 00 07 46.29 +52 45 28.8 w J38
2010-09-26 22:33:35 C 00 07 48.15 +52 45 40.2 c J01
2010-09-26 23:02:13 C 00 07 56.13 +52 46 24.4 c J01
2010-09-26 23:13:06 C 00 07 58.96 +52 46 40.0 c 945
2010-09-26 23:14:28 C 00 07 59.60 +52 46 42.9 c 945
2010-09-26 23:16:04 C 00 08 00.03 +52 46 45.7 c 945
2010-09-26 23:17:33 C 00 08 00.45 +52 46 47.0 c 945
2010-09-26 23:20:56 C 00 08 01.41 +52 46 53.1 c 945
2010-09-26 23:28:14 C 00 08 03.37 +52 47 04.3 c J01
2010-09-27 00:59:35 C 00 08 28.52 +52 49 20.0 u 958
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)