251346 (2007 SJ)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5332354919 ± 3.92e-09
Semi-major axis (a)2.0148109275 AU ± 7.47e-09
Inclination (i)8.18204835° ± 9.31e-07
Long. of Asc. Node (Ω)306.75711472° ± 6.21e-06
Arg. of Perihelion (ω)175.24975270° ± 7.18e-06
Mean Anomaly (M)48.92574859° ± 8.13e-06
Mean Motion (n)0.3446361497°/day ± 1.92e-09
Perihelion dist (q)0.94044223 AU ± 8.64e-09
Aphelion dist (Q)3.08917962 AU ± 1.39e-08
Orbital Period2.85990394 yr ± 1.59e-08
Physical Parameters
H (abs. magnitude)16.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.223″
Uncertainty0
Orbit TypeApollo
MOID0.041856 AU
Observations Used960
Radar Obs Used2
Gaia Obs Used13
Oppositions18
Arc Total1990-2024
First Observation Used1990-10-14
Last Observation Used2024-12-30
Observations (1037)
Date Type RA Dec Mag Band Observatory
2013-11-27 21:10:03 C 00 18 38.86 +42 04 31.1 o B67
2013-11-27 21:28:53 C 00 18 36.62 +42 04 26.6 o B67
2013-11-27 22:16:29 C 00 18 30.99 +42 04 15.1 o B67
2013-11-28 04:54:57 C 00 17 46.59 +42 02 59.8 q H45
2013-11-28 04:56:19 C 00 17 46.44 +42 02 59.5 q H45
2013-11-28 04:58:16 C 00 17 46.20 +42 02 58.9 q H45
2013-11-28 05:00:49 C 00 17 45.90 +42 02 58.3 q H45
2013-11-28 05:02:05 C 00 17 45.75 +42 02 57.9 q H45
2013-11-28 05:04:57 C 00 17 45.41 +42 02 57.2 q H45
2013-11-28 05:06:19 C 00 17 45.25 +42 02 56.8 q H45
2013-11-28 05:08:21 C 00 17 45.00 +42 02 56.2 q H45
2013-11-28 23:35:12 C 00 15 45.40 +41 58 59.6 q I15
2013-11-28 23:50:52 C 00 15 43.54 +41 58 56.5 q I15
2013-11-28 23:57:08 C 00 15 42.79 +41 58 55.1 q I15
2013-11-29 20:28:53 C 00 13 27.64 +41 54 10.7 q A06
2013-11-29 20:42:49 C 00 13 25.98 +41 54 06.9 q A06
2013-11-29 20:58:16 C 00 13 24.17 +41 54 02.9 q A06
2013-12-01 18:28:03 C 00 08 33.56 +41 42 23.5 c A24
2013-12-01 18:29:05 C 00 08 33.48 +41 42 23.2 c A24
2013-12-02 17:17:31 C 00 06 10.94 +41 35 59.5 c A24
2013-12-02 17:18:33 C 00 06 10.83 +41 35 59.2 c A24
2013-12-02 17:58:20 C 00 06 06.31 +41 35 48.7 c A24
2013-12-02 17:59:22 C 00 06 06.18 +41 35 48.3 c A24
2013-12-02 18:35:00 C 00 06 02.69 +41 35 40.7 r J27
2013-12-02 18:39:48 C 00 06 02.13 +41 35 39.4 r J27
2013-12-02 18:48:48 C 00 06 01.12 +41 35 37.0 r J27
2013-12-02 20:42:58 C 00 05 47.66 +41 34 59.8 q C77
2013-12-02 20:44:45 C 00 05 47.45 +41 34 59.4 q C77
2013-12-02 20:47:23 C 00 05 47.16 +41 34 58.5 q C77
2013-12-02 20:50:54 C 00 05 46.76 +41 34 57.4 q C77
2013-12-03 02:42:11 C 00 05 10.79 +41 33 22.3 q H45
2013-12-03 02:43:35 C 00 05 10.63 +41 33 22.0 q H45
2013-12-03 02:44:31 C 00 05 10.50 +41 33 21.4 q H45
2013-12-03 02:45:43 C 00 05 10.37 +41 33 21.1 q H45
2013-12-03 02:47:06 C 00 05 10.20 +41 33 20.7 q H45
2013-12-03 02:48:10 C 00 05 10.09 +41 33 20.2 q H45
2013-12-03 02:49:12 C 00 05 09.95 +41 33 20.1 q H45
2013-12-03 02:50:15 C 00 05 09.84 +41 33 19.7 q H45
2013-12-03 17:54:42 C 00 03 38.29 +41 28 44.8 c A24
2013-12-03 17:55:45 C 00 03 38.17 +41 28 44.5 c A24
2013-12-03 18:57:08 C 00 03 31.29 +41 28 26.1 c A24
2013-12-03 23:21:34 C 00 03 04.86 +41 27 07.8 q I15
2013-12-03 23:31:04 C 00 03 03.80 +41 27 05.0 q I15
2013-12-03 23:40:37 C 00 03 02.72 +41 27 02.1 q I15
2013-12-04 17:57:24 C 00 01 11.84 +41 21 18.4 c A24
2013-12-04 17:58:26 C 00 01 11.73 +41 21 18.0 c A24
2013-12-04 19:00:29 C 00 01 04.83 +41 20 58.4 c A24
2013-12-04 19:01:31 C 00 01 04.73 +41 20 58.1 c A24
2013-12-04 19:47:18 C 00 00 59.56 +41 20 43.5 q 160
2013-12-04 19:51:10 C 00 00 59.11 +41 20 41.9 q 160
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-01-18 20:50:00 50807219.81 3 us 8560 -14 -14
2014-01-19 16:00:00 49703126.01 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)