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
2013-09-02 11:45:46 C 02 04 12.63 +25 50 38.1 q 448
2013-09-04 10:06:35 C 02 05 28.51 +26 18 05.7 q 703
2013-09-04 10:14:00 C 02 05 28.74 +26 18 10.1 q 703
2013-09-04 10:21:23 C 02 05 28.91 +26 18 14.8 q 703
2013-09-04 10:28:46 C 02 05 29.00 +26 18 19.2 q 703
2013-09-08 06:08:47 C 02 07 43.40 +27 13 21.9 N I41
2013-09-08 07:01:25 C 02 07 44.53 +27 13 54.5 N I41
2013-09-08 07:54:08 C 02 07 45.62 +27 14 27.1 N I41
2013-09-11 05:56:10 C 02 09 12.24 +27 57 15.1 N I41
2013-09-11 09:26:56 C 02 09 15.81 +27 59 27.1 N I41
2013-09-11 10:19:28 C 02 09 16.66 +27 59 59.7 N I41
2013-09-14 08:25:58 C 02 10 27.86 +28 43 32.6 N I41
2013-09-14 10:12:19 C 02 10 29.18 +28 44 39.6 N I41
2013-09-14 11:07:56 C 02 10 29.86 +28 45 14.3 N I41
2013-09-17 06:34:55 C 02 11 23.04 +29 27 47.6 q 703
2013-09-17 06:43:05 C 02 11 23.13 +29 27 52.4 q 703
2013-09-17 06:51:08 C 02 11 23.13 +29 27 55.8 q 703
2013-09-17 06:59:17 C 02 11 23.24 +29 28 02.3 q 703
2013-09-21 00:01:10 C 02 12 07.26 +30 25 07.1 q 160
2013-09-21 00:05:06 C 02 12 07.33 +30 25 09.5 q 160
2013-09-21 00:09:04 C 02 12 07.35 +30 25 12.7 q 160
2013-09-25 00:37:46 C 02 12 19.26 +31 28 14.1 q 160
2013-09-25 00:41:19 C 02 12 19.24 +31 28 16.8 q 160
2013-09-25 00:45:17 C 02 12 19.26 +31 28 19.1 q 160
2013-09-26 05:08:01 C 02 12 15.56 +31 47 02.8 N I41
2013-09-26 08:16:27 C 02 12 14.41 +31 49 10.5 N I41
2013-09-26 09:04:33 C 02 12 14.06 +31 49 42.6 N I41
2013-10-06 09:01:46 C 02 08 47.96 +34 30 42.5 q 448
2013-10-06 09:06:40 C 02 08 47.83 +34 30 45.7 q 448
2013-10-06 09:11:51 C 02 08 47.67 +34 30 49.2 q 448
2013-10-06 09:16:17 C 02 08 47.53 +34 30 52.1 q 448
2013-10-06 09:22:31 C 02 08 47.34 +34 30 56.4 q 448
2013-10-09 09:30:30 C 02 06 40.50 +35 19 32.4 c 926
2013-10-09 10:00:15 C 02 06 39.38 +35 19 51.7 c 926
2013-10-09 10:23:19 C 02 06 38.55 +35 20 06.9 c 926
2013-10-09 22:22:46 C 02 06 14.68 +35 28 07.8 q D00
2013-10-09 22:38:46 C 02 06 14.09 +35 28 18.4 q D00
2013-10-09 22:54:45 C 02 06 13.49 +35 28 29.1 q D00
2013-10-09 23:10:31 C 02 06 12.86 +35 28 39.4 q D00
2013-10-14 06:01:49 C 02 02 05.77 +36 37 07.9 q 703
2013-10-14 06:05:44 C 02 02 05.64 +36 37 10.0 q 703
2013-10-14 06:12:16 C 02 02 05.27 +36 37 13.7 q 703
2013-10-14 06:16:17 C 02 02 05.14 +36 37 16.4 q 703
2013-10-14 06:22:52 C 02 02 04.77 +36 37 22.0 q 703
2013-10-14 06:27:00 C 02 02 04.51 +36 37 24.2 q 703
2013-10-14 08:44:43 C 02 01 57.61 +36 38 55.1 N I41
2013-10-14 09:20:42 C 02 01 55.77 +36 39 18.5 N I41
2013-10-14 09:57:22 C 02 01 53.90 +36 39 42.2 N I41
2013-10-14 13:09:37 C 02 01 46.11 +36 41 47.6 o 300
2013-10-14 13:11:00 C 02 01 46.02 +36 41 48.9 o 300
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)