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
2010-10-05 00:45:33 C 01 28 51.14 +56 35 16.1 u 958
2010-10-05 00:56:19 C 01 28 57.00 +56 35 22.4 u 958
2010-10-05 01:10:55 C 01 29 04.93 +56 35 30.2 u 958
2010-10-05 01:14:34 C 01 29 12.16 +56 35 06.9 c 762
2010-10-05 01:20:24 C 01 29 10.06 +56 35 35.3 u 958
2010-10-05 03:12:36 C 01 30 18.15 +56 36 33.9 o 850
2010-10-05 03:30:06 C 01 30 27.78 +56 36 45.1 o 850
2010-10-05 04:17:15 C 01 30 53.66 +56 37 14.9 o 850
2010-10-05 04:50:07 C 01 31 11.67 +56 37 34.6 o 850
2010-10-05 05:22:59 C 01 31 29.65 +56 37 53.5 o 850
2010-10-05 05:55:50 C 01 31 47.64 +56 38 11.3 o 850
2010-10-05 12:24:00 C 01 35 34.56 +56 41 04.4 u 900
2010-10-05 12:34:31 C 01 35 40.50 +56 41 10.3 u 900
2010-10-05 18:37:37 C 01 39 14.63 +56 43 07.6 u J28
2010-10-05 19:09:51 C 01 39 33.67 +56 43 24.1 u J28
2010-10-05 19:37:30 C 01 39 50.60 +56 43 38.8 c I92
2010-10-05 19:41:09 C 01 39 51.44 +56 43 42.3 d A77
2010-10-05 19:42:37 C 01 39 53.01 +56 43 40.8 u J28
2010-10-05 20:01:14 C 01 40 03.47 +56 43 51.4 c B49
2010-10-05 20:01:32 C 01 40 03.79 +56 43 49.0 c I92
2010-10-05 20:14:31 C 01 40 11.53 +56 43 58.5 c J78
2010-10-05 20:15:39 C 01 40 12.21 +56 44 00.4 c 213
2010-10-05 20:16:00 C 01 40 11.70 +56 43 59.0 d A77
2010-10-05 20:18:23 C 01 40 13.84 +56 44 01.9 c 213
2010-10-05 20:18:23 C 01 40 13.83 +56 44 00.4 c J78
2010-10-05 20:19:39 C 01 40 14.24 +56 44 00.4 c B49
2010-10-05 20:20:10 C 01 40 14.85 +56 44 01.3 c J78
2010-10-05 20:22:19 C 01 40 15.74 +56 44 02.2 c 213
2010-10-05 20:40:02 C 01 40 25.80 +56 44 10.7 d A77
2010-10-05 20:44:51 C 01 40 28.92 +56 44 12.4 c B49
2010-10-05 21:13:17 C 01 40 45.41 +56 44 26.0 c A06
2010-10-05 21:15:40 C 01 40 46.79 +56 44 27.1 c A06
2010-10-05 21:18:23 C 01 40 48.37 +56 44 28.4 c A06
2010-10-05 23:17:25 C 01 41 55.27 +56 45 05.8 r 152
2010-10-05 23:19:41 C 01 41 56.56 +56 45 06.4 r 152
2010-10-05 23:22:51 C 01 41 58.44 +56 45 06.7 r 152
2010-10-05 23:26:40 C 01 42 00.40 +56 45 09.3 r 152
2010-10-05 23:28:44 C 01 42 01.81 +56 45 09.2 r 152
2010-10-06 00:18:55 C 01 42 30.55 +56 45 26.4 u 585
2010-10-06 00:19:36 C 01 42 30.97 +56 45 26.5 u 585
2010-10-06 00:19:59 C 01 42 31.12 +56 45 26.9 u 585
2010-10-06 00:20:19 C 01 42 31.38 +56 45 27.1 u 585
2010-10-06 00:20:40 C 01 42 31.59 +56 45 27.2 u 585
2010-10-06 00:21:02 C 01 42 31.81 +56 45 27.3 u 585
2010-10-06 00:21:44 C 01 42 32.19 +56 45 27.5 u 585
2010-10-06 00:22:06 C 01 42 32.39 +56 45 27.6 u 585
2010-10-06 00:28:39 C 01 42 36.23 +56 45 28.8 u 585
2010-10-06 00:29:00 C 01 42 36.38 +56 45 28.9 u 585
2010-10-06 00:35:12 C 01 42 42.38 +56 45 40.6 u 958
2010-10-06 00:48:36 C 01 42 50.12 +56 45 44.6 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)