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
2010-10-29 03:00:45 C 22 46 21.36 +06 56 33.6 r 703
2010-10-29 03:11:33 C 22 46 20.96 +06 56 30.1 r 703
2010-11-03 04:28:05 C 22 43 15.13 +06 22 55.3 19.0 c 704
2010-11-03 04:45:57 C 22 43 14.67 +06 22 51.4 19.1 c 704
2010-11-03 05:03:50 C 22 43 14.31 +06 22 46.3 19.8 c 704
2010-11-03 05:39:33 C 22 43 13.47 +06 22 36.8 18.8 c 704
2010-11-06 03:34:30 C 22 42 01.40 +06 05 30.4 r 703
2010-11-06 03:43:34 C 22 42 01.26 +06 05 28.0 r 703
2010-11-06 03:52:41 C 22 42 01.08 +06 05 25.8 r 703
2010-11-06 04:01:47 C 22 42 00.93 +06 05 23.0 r 703
2010-11-12 05:03:23 C 22 40 51.63 +05 35 58.3 r 703
2010-11-12 05:14:53 C 22 40 51.63 +05 35 56.9 r 703
2010-11-12 05:42:17 C 22 40 51.49 +05 35 50.8 r 703
2010-11-21 04:40:43 C 22 42 24.116 +05 08 35.31 L F51
2010-11-21 04:56:35 C 22 42 24.344 +05 08 34.11 L F51
2010-12-01 02:11:53 C 22 48 16.99 +05 02 08.9 r 703
2010-12-01 02:19:39 C 22 48 17.20 +05 02 08.6 r 703
2010-12-01 02:27:28 C 22 48 17.42 +05 02 07.8 r 703
2010-12-01 02:35:13 C 22 48 17.64 +05 02 10.0 r 703
2010-12-03 00:16:20 S 22 49 54.223 +05 03 50.62 L C51
2010-12-03 05:02:01 S 22 50 04.901 +05 04 02.35 L C51
2010-12-03 08:12:21 S 22 50 11.796 +05 04 13.30 L C51
2011-01-14 02:50:22 C 23 58 54.98 +09 14 24.1 r G96
2011-01-14 02:57:52 C 23 58 55.70 +09 14 26.4 r G96
2011-01-14 03:05:25 C 23 58 56.46 +09 14 30.3 r G96
2011-01-14 03:12:57 C 23 58 57.18 +09 14 33.4 r G96
2011-01-16 02:51:20 C 00 03 40.64 +09 34 54.5 r 703
2011-01-16 03:02:33 C 00 03 41.83 +09 34 59.6 r 703
2011-01-16 03:13:40 C 00 03 42.87 +09 35 04.9 r 703
2011-01-16 03:24:48 C 00 03 43.99 +09 35 10.2 r 703
2011-01-28 02:12:27 C 00 35 02.05 +11 48 23.1 19.4 c 704
2011-01-28 02:30:57 C 00 35 04.23 +11 48 32.8 19.3 c 704
2011-01-28 02:49:34 C 00 35 06.42 +11 48 42.9 19.3 c 704
2011-01-28 03:08:15 C 00 35 08.47 +11 48 50.2 19.5 c 704
2011-01-30 05:24:29 C 00 41 09.398 +12 13 42.25 L F51
2011-01-30 05:30:23 C 00 41 10.106 +12 13 45.19 L F51
2011-01-30 05:37:15 C 00 41 10.923 +12 13 48.57 L F51
2011-01-30 05:43:09 C 00 41 11.630 +12 13 51.49 L F51
2011-01-31 02:04:41 C 00 43 40.66 +12 23 59.7 19.0 c 704
2011-01-31 02:23:06 C 00 43 42.85 +12 24 07.8 18.7 c 704
2011-01-31 02:41:40 C 00 43 45.13 +12 24 16.9 19.2 c 704
2011-01-31 03:00:29 C 00 43 47.41 +12 24 26.3 19.5 c 704
2011-01-31 03:19:03 C 00 43 49.63 +12 24 35.4 19.8 c 704
2011-03-01 02:33:15 C 02 26 27.09 +17 59 08.3 r 703
2011-03-01 02:42:06 C 02 26 28.68 +17 59 13.1 r 703
2011-03-01 02:51:02 C 02 26 30.15 +17 59 16.0 r 703
2011-03-01 02:59:55 C 02 26 31.70 +17 59 19.5 r 703
2011-03-04 02:33:27 C 02 39 15.48 +18 26 26.4 r 703
2011-03-04 02:38:38 C 02 39 16.45 +18 26 28.0 r 703
2011-03-04 02:43:55 C 02 39 17.38 +18 26 30.3 r 703
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)