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
2014-03-09 16:21:19 C 14 17 27.22 -48 11 43.2 q Q62
2014-03-09 16:34:46 C 14 17 25.65 -48 11 40.6 q Q62
2014-03-09 16:53:44 C 14 17 23.47 -48 11 37.0 q Q62
2014-03-17 05:48:59 C 13 59 17.09 -47 12 41.1 u 807
2014-03-17 05:51:12 C 13 59 16.84 -47 12 40.1 u 807
2014-03-17 05:53:26 C 13 59 16.60 -47 12 39.1 u 807
2014-03-17 05:55:40 C 13 59 16.36 -47 12 38.2 u 807
2014-04-08 01:26:50 C 13 14 37.77 -40 43 12.6 r Y00
2014-04-08 01:40:37 C 13 14 36.78 -40 42 59.7 r Y00
2014-04-08 01:56:38 C 13 14 35.63 -40 42 44.8 r Y00
2014-04-18 00:47:50 C 13 02 29.25 -36 47 55.0 r Y00
2014-04-18 00:59:14 C 13 02 28.76 -36 47 44.0 r Y00
2014-04-18 01:10:40 C 13 02 28.24 -36 47 33.3 r Y00
2015-06-27 13:07:23 C 21 05 22.935 -17 42 26.77 L F52
2015-06-27 13:23:57 C 21 05 22.460 -17 42 27.96 L F52
2015-06-27 13:40:22 C 21 05 21.915 -17 42 29.10 L F52
2015-07-19 11:14:02 C 20 44 23.991 -18 36 25.08 L F51
2015-07-19 11:30:22 C 20 44 23.192 -18 36 27.15 L F51
2015-07-19 11:46:46 C 20 44 22.384 -18 36 28.96 L F51
2015-07-19 12:03:09 C 20 44 21.598 -18 36 31.05 L F51
2015-07-21 07:04:57 C 20 42 17.94 -18 41 29.9 t W86
2015-07-21 07:13:51 C 20 42 17.50 -18 41 30.9 t W86
2015-07-21 07:20:29 C 20 42 17.17 -18 41 31.7 t W86
2015-08-10 09:00:04 C 20 18 33.266 -19 33 03.15 L F51
2015-08-10 09:31:43 C 20 18 31.738 -19 33 05.70 L F51
2015-08-10 09:47:34 C 20 18 30.963 -19 33 07.18 L F51
2015-08-11 07:48:43 C 20 17 28.641 -19 35 02.80 L F51
2015-08-11 08:04:32 C 20 17 27.870 -19 35 04.22 L F51
2015-08-11 08:20:21 C 20 17 27.128 -19 35 05.41 L F51
2015-08-11 08:36:11 C 20 17 26.363 -19 35 06.78 L F51
2015-08-12 09:59:50 C 20 16 15.023 -19 37 16.18 L F51
2015-08-12 10:15:42 C 20 16 14.256 -19 37 17.62 L F51
2015-08-12 10:31:35 C 20 16 13.487 -19 37 18.84 L F51
2015-08-12 10:47:26 C 20 16 12.747 -19 37 20.03 L F51
2015-09-06 05:58:27 C 19 54 27.849 -20 06 06.36 L F51
2015-09-06 06:14:56 C 19 54 27.421 -20 06 06.60 L F51
2015-09-06 06:31:28 C 19 54 26.981 -20 06 06.66 L F51
2015-09-06 06:47:55 C 19 54 26.575 -20 06 07.27 L F51
2016-07-17 14:02:17 C 02 38 05.990 +22 59 38.00 L F51
2016-07-17 14:10:01 C 02 38 06.765 +22 59 42.80 L F51
2016-07-17 14:17:45 C 02 38 07.542 +22 59 47.42 L F51
2016-07-17 14:25:30 C 02 38 08.316 +22 59 52.11 L F51
2016-08-29 19:10:31 C 04 51 26.21 +32 25 57.6 q D29
2016-08-29 19:34:43 C 04 51 30.16 +32 26 07.4 q D29
2016-08-29 19:58:54 C 04 51 34.16 +32 26 17.4 q D29
2016-10-07 11:11:49 C 08 05 01.60 +31 07 26.3 q 703
2016-10-07 11:20:28 C 08 05 03.60 +31 07 19.5 q 703
2016-10-19 11:11:38 C 09 12 59.73 +25 59 29.1 q 703
2016-10-19 11:37:42 C 09 13 05.64 +25 58 54.0 q 703
2016-11-05 20:31:56 C 10 43 29.54 +15 00 07.5 q D29
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)