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
2010-10-14 08:29:13 C 04 00 38.22 +51 57 36.4 o H10
2010-10-14 08:36:02 C 04 00 42.71 +51 57 12.4 o H10
2010-10-14 09:48:21 C 04 01 31.557 +51 52 54.23 r 689
2010-10-14 09:50:02 C 04 01 32.691 +51 52 48.15 r 689
2010-10-14 09:51:44 C 04 01 33.810 +51 52 42.12 r 689
2010-10-14 09:53:25 C 04 01 34.938 +51 52 36.08 r 689
2010-10-14 15:04:43 C 04 05 05.26 +51 33 53.0 u F65
2010-10-14 15:06:39 C 04 05 06.53 +51 33 45.6 u F65
2010-10-14 15:12:30 C 04 05 10.41 +51 33 23.4 u F65
2010-10-14 15:14:25 C 04 05 11.69 +51 33 16.0 u F65
2010-10-14 15:16:25 C 04 05 13.01 +51 33 08.3 u F65
2010-10-14 19:01:45 C 04 07 55.76 +51 17 58.6 d A77
2010-10-14 19:07:25 C 04 07 59.61 +51 17 38.0 d A77
2010-10-14 19:15:18 C 04 08 05.04 +51 17 09.4 d A77
2010-10-14 20:06:48 C 04 08 40.49 +51 14 09.7 v 470
2010-10-14 20:07:10 C 04 08 40.75 +51 14 08.2 v 470
2010-10-14 20:07:33 C 04 08 41.00 +51 14 06.9 v 470
2010-10-14 21:40:50 C 04 09 44.51 +51 08 16.9 u J28
2010-10-14 21:46:04 C 04 09 48.04 +51 07 57.9 u J28
2010-10-14 21:51:29 C 04 09 51.68 +51 07 38.2 u J28
2010-10-14 22:23:01 C 04 10 12.83 +51 05 42.9 c I88
2010-10-14 22:25:00 C 04 10 14.14 +51 05 35.7 c I88
2010-10-14 22:26:54 C 04 10 15.39 +51 05 28.8 c I88
2010-10-14 22:28:47 C 04 10 16.66 +51 05 21.9 c I88
2010-10-14 22:30:39 C 04 10 17.90 +51 05 14.7 c I88
2010-10-14 22:32:33 C 04 10 19.18 +51 05 07.8 c I88
2010-10-14 22:34:26 C 04 10 20.45 +51 05 00.9 c I88
2010-10-14 23:34:29 C 04 11 00.35 +51 01 17.9 c J40
2010-10-14 23:59:53 C 04 11 17.10 +50 59 42.8 c J40
2010-10-15 00:17:29 C 04 11 28.45 +50 58 30.7 c J01
2010-10-15 00:38:24 C 04 11 42.38 +50 57 17.2 c J40
2010-10-15 00:49:56 C 04 11 49.72 +50 56 27.7 c J01
2010-10-15 00:55:54 C 04 11 53.66 +50 56 05.1 c J01
2010-10-15 14:08:19 C 04 20 37.55 +50 03 09.0 u F65
2010-10-15 14:09:16 C 04 20 38.15 +50 03 05.1 u F65
2010-10-15 14:10:13 C 04 20 38.75 +50 03 01.0 u F65
2010-10-15 14:11:10 C 04 20 39.36 +50 02 57.0 u F65
2010-10-15 14:12:09 C 04 20 39.98 +50 02 52.8 u F65
2010-10-15 14:13:05 C 04 20 40.56 +50 02 48.7 u F65
2010-10-15 14:14:02 C 04 20 41.17 +50 02 44.8 u F65
2010-10-15 14:15:12 C 04 20 41.89 +50 02 39.8 u F65
2010-10-15 14:17:15 C 04 20 43.19 +50 02 31.2 u F65
2010-10-15 21:02:17 C 04 25 15.49 +49 32 50.4 w 213
2010-10-15 21:03:10 C 04 25 16.06 +49 32 46.7 w 213
2010-10-15 21:04:02 C 04 25 16.67 +49 32 42.8 w 213
2010-10-15 21:40:25 C 04 25 40.05 +49 30 10.7 w C35
2010-10-15 22:01:30 C 04 25 53.55 +49 28 42.4 w C35
2010-10-15 22:08:15 C 04 25 57.91 +49 28 14.8 w C35
2010-10-15 22:14:01 C 04 26 01.66 +49 27 51.0 c C12
2010-10-15 22:18:58 C 04 26 04.82 +49 27 30.5 c C12
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)