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
2023-08-16 03:07:48 C 01 08 41.20 +36 44 29.3 V J01
2023-08-16 20:26:07 C 01 12 08.03 +37 04 29.5 V C40
2023-08-16 20:33:42 C 01 12 09.53 +37 04 38.5 V C40
2023-08-16 20:41:15 C 01 12 11.04 +37 04 47.5 V C40
2023-08-16 20:48:33 C 01 12 12.51 +37 04 55.7 V C40
2023-08-16 20:55:36 C 01 12 13.79 +37 05 04.1 V C40
2023-08-16 21:02:38 C 01 12 15.41 +37 05 12.0 V C40
2023-08-16 21:09:40 C 01 12 16.62 +37 05 21.2 V C40
2023-08-16 21:16:43 C 01 12 18.08 +37 05 29.1 V C40
2023-08-16 21:23:44 C 01 12 19.43 +37 05 36.8 V C40
2023-08-17 01:24:46 C 01 13 07.726 +37 10 15.42 V 970
2023-08-17 01:36:06 C 01 13 09.984 +37 10 28.60 V 970
2023-08-17 02:07:54 C 01 13 16.548 +37 11 08.92 V Z10
2023-08-17 02:18:17 C 01 13 18.598 +37 11 20.98 V Z10
2023-08-17 02:29:49 C 01 13 20.875 +37 11 34.26 V Z10
2023-08-17 05:18:17 C 01 13 55.36 +37 14 43.4 q W24
2023-08-17 05:23:30 B 01 13 55.45 +37 14 56.9 Z J22
2023-08-17 05:29:29 B 01 13 56.62 +37 15 03.9 Z J22
2023-08-17 05:35:26 B 01 13 57.80 +37 15 10.7 Z J22
2023-08-17 05:54:34 C 01 14 02.60 +37 15 25.7 q W24
2023-08-17 06:30:04 C 01 14 09.72 +37 16 07.2 q W24
2023-08-18 00:31:28 C 01 17 52.01 +37 36 40.5 q A77
2023-08-18 00:35:39 C 01 17 52.90 +37 36 45.4 q A77
2023-08-18 00:39:14 C 01 17 53.60 +37 36 49.7 q A77
2023-08-18 00:44:36 C 01 17 54.71 +37 36 55.7 q A77
2023-08-18 01:25:16 C 01 18 03.00 +37 37 42.0 q A77
2023-08-18 01:29:27 C 01 18 03.84 +37 37 46.9 q A77
2023-08-18 01:32:15 C 01 18 04.416 +37 37 46.09 V I81
2023-08-18 01:33:37 C 01 18 04.71 +37 37 51.5 q A77
2023-08-18 01:38:23 C 01 18 05.59 +37 37 56.8 q A77
2023-08-18 01:38:24 C 01 18 05.710 +37 37 53.18 V I81
2023-08-18 01:47:23 C 01 18 07.529 +37 38 03.41 V I81
2023-08-18 01:49:01 C 01 18 07.87 +37 38 09.3 A77
2023-08-18 01:51:46 C 01 18 08.43 +37 38 12.4 A77
2023-08-18 01:53:32 C 01 18 08.794 +37 38 10.39 V I81
2023-08-18 01:54:31 C 01 18 08.99 +37 38 15.6 A77
2023-08-18 10:23:24 C 01 19 56.086 +37 47 52.08 V T05
2023-08-18 11:11:06 C 01 20 05.983 +37 48 47.09 V T05
2023-08-18 11:51:50 C 01 20 14.386 +37 49 33.71 V T05
2023-08-18 12:08:12 C 01 20 17.822 +37 49 52.18 V T05
2023-08-18 12:10:49 C 01 20 18.290 +37 49 55.70 V T05
2023-08-18 12:15:26 C 01 20 19.243 +37 50 00.85 V T05
2023-08-18 12:20:02 C 01 20 20.196 +37 50 06.11 V T05
2023-08-18 12:47:18 C 01 20 25.798 +37 50 37.18 V T05
2023-08-18 20:42:03 C 01 22 06.22 +37 59 31.0 V O51
2023-08-18 20:54:35 C 01 22 08.81 +37 59 44.9 V O51
2023-08-18 21:07:08 C 01 22 11.41 +37 59 58.9 V O51
2023-08-18 22:41:01 C 01 22 32.319 +38 01 31.10 V L92
2023-08-18 22:50:12 C 01 22 34.411 +38 01 43.32 V L92
2023-08-18 23:00:24 C 01 22 36.525 +38 01 55.31 V L92
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)