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
2023-08-04 08:29:21 C 00 21 32.97 +31 01 37.2 q U94
2023-08-04 08:33:14 C 00 21 33.46 +31 01 41.5 q U94
2023-08-04 08:37:08 C 00 21 34.01 +31 01 46.0 q U94
2023-08-04 13:34:44 C 00 22 16.52 +31 07 48.3 q 903
2023-08-04 13:37:31 C 00 22 16.93 +31 07 52.3 q 903
2023-08-04 13:40:20 C 00 22 17.37 +31 07 55.4 q 903
2023-08-04 20:25:42 C 00 23 14.98 +31 16 10.2 V C40
2023-08-04 20:57:38 C 00 23 19.58 +31 16 49.9 V C40
2023-08-04 21:29:34 C 00 23 24.07 +31 17 29.4 V C40
2023-08-04 23:12:21 C 00 23 38.88 +31 19 34.9 X C95
2023-08-04 23:19:51 C 00 23 39.88 +31 19 45.3 V A98
2023-08-04 23:20:32 C 00 23 40.11 +31 19 44.6 X C95
2023-08-04 23:28:09 C 00 23 41.14 +31 19 55.2 X C95
2023-08-04 23:40:26 C 00 23 42.76 +31 20 11.3 V A98
2023-08-04 23:44:34 C 00 23 43.32 +31 20 14.5 V A98
2023-08-04 23:50:45 C 00 23 44.20 +31 20 23.4 V A98
2023-08-05 12:07:08 C 00 25 30.838 +31 35 31.96 V T05
2023-08-05 12:11:41 C 00 25 31.510 +31 35 37.46 V T05
2023-08-05 12:19:13 C 00 25 32.599 +31 35 47.11 V T05
2023-08-05 12:39:36 C 00 25 35.510 +31 36 12.31 V T05
2023-08-07 00:13:25 C 00 30 52.939 +32 19 42.64 q Z80
2023-08-07 00:21:58 C 00 30 54.223 +32 19 53.80 q Z80
2023-08-07 00:30:45 C 00 30 55.531 +32 20 04.42 q Z80
2023-08-07 06:54:53 C 00 31 54.36 +32 28 00.2 V V38
2023-08-07 06:57:56 C 00 31 54.78 +32 28 04.0 V V38
2023-08-07 07:00:59 C 00 31 55.24 +32 28 07.6 V V38
2023-08-07 21:37:07 C 00 34 10.02 +32 46 00.5 V C40
2023-08-07 22:31:16 C 00 34 18.28 +32 47 07.6 V C40
2023-08-07 22:35:19 C 00 34 19.16 +32 47 09.0 V B96
2023-08-07 23:02:36 C 00 34 23.52 +32 47 44.1 V B96
2023-08-07 23:24:19 C 00 34 26.86 +32 48 11.2 V B96
2023-08-07 23:25:25 C 00 34 26.56 +32 48 14.8 V C40
2023-08-07 23:41:55 C 00 34 29.56 +32 48 33.0 V B96
2023-08-08 01:54:22 C 00 34 49.807 +32 51 14.87 V I81
2023-08-08 01:57:30 C 00 34 50.297 +32 51 18.65 V I81
2023-08-08 01:58:17 C 00 34 50.39 +32 51 23.3 A77
2023-08-08 02:02:42 C 00 34 51.096 +32 51 24.98 V I81
2023-08-08 02:05:48 C 00 34 51.564 +32 51 28.73 V I81
2023-08-08 02:09:58 C 00 34 52.18 +32 51 37.7 A77
2023-08-08 02:24:10 C 00 34 54.38 +32 51 55.1 A77
2023-08-08 08:20:31 C 00 35 50.659 +32 59 11.15 V U52
2023-08-08 08:23:40 C 00 35 51.139 +32 59 14.89 V U52
2023-08-09 01:01:25 B 00 38 29.27 +33 19 37.3 V L65
2023-08-09 01:05:03 B 00 38 29.87 +33 19 42.2 V L65
2023-08-09 01:08:42 B 00 38 30.42 +33 19 46.4 V L65
2023-08-09 01:52:54 C 00 38 37.52 +33 20 43.2 q A77
2023-08-09 01:56:29 C 00 38 38.09 +33 20 47.6 q A77
2023-08-09 02:00:04 C 00 38 38.58 +33 20 52.3 q A77
2023-08-09 02:03:40 C 00 38 39.13 +33 20 56.0 q A77
2023-08-09 02:07:14 C 00 38 39.69 +33 21 00.6 q A77
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)