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
2013-11-11 06:59:41 C 01 05 06.53 +42 06 39.6 q 703
2013-11-11 07:06:59 C 01 05 05.72 +42 06 41.0 q 703
2013-11-11 07:14:18 C 01 05 04.79 +42 06 43.4 q 703
2013-11-11 07:21:35 C 01 05 03.89 +42 06 44.4 q 703
2013-11-12 02:21:22 C 01 02 53.65 +42 10 29.0 q H45
2013-11-12 02:23:00 C 01 02 53.44 +42 10 29.3 q H45
2013-11-12 02:24:40 C 01 02 53.23 +42 10 29.6 q H45
2013-11-12 02:26:15 C 01 02 53.04 +42 10 30.0 q H45
2013-11-12 02:27:44 C 01 02 52.85 +42 10 30.4 q H45
2013-11-12 02:29:21 C 01 02 52.64 +42 10 30.7 q H45
2013-11-12 19:09:42 C 01 00 55.74 +42 13 22.9 t L04
2013-11-12 19:20:35 C 01 00 54.41 +42 13 24.8 t L04
2013-11-12 20:42:10 C 01 00 44.69 +42 13 39.5 c A24
2013-11-12 20:43:12 C 01 00 44.57 +42 13 39.8 c A24
2013-11-13 06:41:17 C 00 59 33.10 +42 15 16.2 q H45
2013-11-13 06:42:21 C 00 59 32.96 +42 15 16.3 q H45
2013-11-13 06:43:54 C 00 59 32.77 +42 15 16.4 q H45
2013-11-13 06:45:40 C 00 59 32.55 +42 15 16.6 q H45
2013-11-13 06:47:08 C 00 59 32.37 +42 15 16.8 q H45
2013-11-13 06:48:37 C 00 59 32.18 +42 15 17.0 q H45
2013-11-14 03:25:21 C 00 57 08.25 +42 18 17.4 u H21
2013-11-14 03:29:32 C 00 57 07.72 +42 18 18.1 u H21
2013-11-14 03:31:04 C 00 57 07.53 +42 18 18.2 u H21
2013-11-14 03:34:42 C 00 57 07.08 +42 18 18.7 u H21
2013-11-14 03:37:32 C 00 57 06.71 +42 18 19.0 u H21
2013-11-14 03:42:39 C 00 57 06.07 +42 18 19.7 u H21
2013-11-15 11:15:04 C 00 53 23.52 +42 21 59.1 o 300
2013-11-15 11:36:03 C 00 53 20.80 +42 22 01.3 o 300
2013-11-15 11:57:31 C 00 53 18.03 +42 22 04.2 o 300
2013-11-15 12:20:39 C 00 53 15.12 +42 22 06.6 o 300
2013-11-15 18:09:14 C 00 52 34.28 +42 22 32.4 15.7 c 583
2013-11-15 18:10:45 C 00 52 34.07 +42 22 32.5 15.9 c 583
2013-11-15 18:11:45 C 00 52 33.91 +42 22 32.4 16.0 c 583
2013-11-15 18:12:44 C 00 52 33.84 +42 22 32.8 15.8 c 583
2013-11-15 18:13:45 C 00 52 33.69 +42 22 32.8 15.7 c 583
2013-11-15 18:16:18 C 00 52 33.37 +42 22 33.0 15.7 c 583
2013-11-15 18:18:19 C 00 52 33.14 +42 22 33.3 15.5 c 583
2013-11-15 18:19:18 C 00 52 33.00 +42 22 33.5 15.6 c 583
2013-11-15 18:28:02 C 00 52 31.91 +42 22 34.3 15.7 c 583
2013-11-15 18:29:01 C 00 52 31.79 +42 22 34.4 15.7 c 583
2013-11-15 18:38:56 C 00 52 30.53 +42 22 34.9 15.9 c 583
2013-11-15 18:39:12 C 00 52 30.50 +42 22 35.4 16.0 c 583
2013-11-15 18:39:29 C 00 52 30.44 +42 22 35.3 15.8 c 583
2013-11-15 20:09:23 C 00 52 19.16 +42 22 43.4 16.5 c 583
2013-11-15 20:13:24 C 00 52 18.65 +42 22 43.8 15.9 c 583
2013-11-15 20:17:24 C 00 52 18.16 +42 22 44.0 16.0 c 583
2013-11-15 20:23:23 C 00 52 17.39 +42 22 44.6 15.7 c 583
2013-11-18 05:06:11 C 00 45 33.14 +42 26 01.3 q H45
2013-11-18 05:08:14 C 00 45 32.88 +42 26 01.2 q H45
2013-11-18 05:09:31 C 00 45 32.73 +42 26 01.2 q H45
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)