153591 (2001 SN263)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4799501702 ± 1.35e-09
Semi-major axis (a)1.9877627834 AU ± 8.82e-11
Inclination (i)6.69249029° ± 3.51e-07
Long. of Asc. Node (Ω)325.70895525° ± 1.05e-06
Arg. of Perihelion (ω)173.05863055° ± 1.30e-06
Mean Anomaly (M)124.08081465° ± 3.30e-07
Mean Motion (n)0.3516943922°/day ± 2.34e-11
Perihelion dist (q)1.03373570 AU ± 2.68e-09
Aphelion dist (Q)2.94178987 AU ± 2.69e-09
Orbital Period2.80250782 yr ± 1.87e-10
Physical Parameters
H (abs. magnitude)17.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.171″
Uncertainty0
Orbit TypeAmor
MOID0.047787 AU
Observations Used3293
Radar Obs Used3
Oppositions21
Arc Total1990-2025
First Observation Used1990-09-25
Last Observation Used2025-06-05
Observations (4048)
Date Type RA Dec Mag Band Observatory
2008-02-26 23:47:50 C 08 47 37.69 -00 45 43.2 c J93
2008-02-26 23:50:39 C 08 47 38.65 -00 45 59.4 c J93
2008-02-27 21:56:12 C 08 55 21.31 -02 45 46.5 12.8 r A97
2008-02-27 21:59:35 C 08 55 22.40 -02 46 04.4 12.8 r A97
2008-02-27 22:02:59 C 08 55 23.47 -02 46 22.6 12.7 r A97
2008-02-27 22:06:22 C 08 55 24.56 -02 46 40.3 12.7 r A97
2008-02-27 22:09:45 C 08 55 25.63 -02 46 58.2 12.6 r A97
2008-02-27 22:13:09 C 08 55 26.72 -02 47 16.2 12.9 r A97
2008-02-28 04:06:38 C 08 57 30.69 -03 17 46.1 r 448
2008-02-28 04:08:42 C 08 57 31.33 -03 17 56.8 r 448
2008-02-28 04:10:45 C 08 57 31.97 -03 18 07.5 r 448
2008-02-28 04:12:48 C 08 57 32.62 -03 18 18.3 r 448
2008-02-28 04:14:51 C 08 57 33.26 -03 18 28.9 r 448
2008-02-28 15:25:35 C 09 01 12.35 -04 15 55.6 r 379
2008-02-28 15:26:39 C 09 01 12.67 -04 16 00.8 r 379
2008-02-28 15:27:11 C 09 01 12.83 -04 16 03.4 r 379
2008-02-28 15:30:23 C 09 01 13.82 -04 16 19.3 r 379
2008-02-28 15:31:26 C 09 01 14.14 -04 16 24.7 r 379
2008-02-28 15:31:58 C 09 01 14.31 -04 16 27.5 r 379
2008-02-28 15:32:30 C 09 01 14.46 -04 16 30.1 r 379
2008-02-28 15:33:02 C 09 01 14.63 -04 16 33.1 r 379
2008-02-28 15:34:06 C 09 01 14.99 -04 16 38.5 r 379
2008-02-28 18:40:42 C 09 02 21.78 -04 32 32.7 r B18
2008-02-28 18:41:41 C 09 02 22.08 -04 32 37.6 r B18
2008-02-28 18:42:41 C 09 02 22.41 -04 32 42.7 r B18
2008-02-28 18:43:41 C 09 02 22.70 -04 32 47.8 r B18
2008-02-28 18:44:40 C 09 02 22.99 -04 32 52.6 r B18
2008-02-28 18:45:39 C 09 02 23.29 -04 32 57.6 r B18
2008-02-28 18:46:38 C 09 02 23.59 -04 33 02.6 r B18
2008-02-28 18:47:37 C 09 02 23.91 -04 33 07.4 r B18
2008-02-28 18:48:36 C 09 02 24.21 -04 33 12.7 r B18
2008-02-28 18:49:35 C 09 02 24.50 -04 33 17.3 r B18
2008-02-28 18:50:34 C 09 02 24.79 -04 33 22.1 r B18
2008-02-28 18:51:34 C 09 02 25.11 -04 33 27.4 r B18
2008-02-28 18:52:33 C 09 02 25.42 -04 33 32.5 r B18
2008-02-28 18:54:31 C 09 02 26.00 -04 33 42.0 r B18
2008-02-28 18:55:30 C 09 02 26.31 -04 33 46.9 r B18
2008-02-28 18:56:29 C 09 02 26.62 -04 33 52.0 r B18
2008-02-29 14:41:34 C 09 08 47.46 -06 10 04.6 r 379
2008-02-29 14:42:38 C 09 08 47.79 -06 10 09.8 r 379
2008-02-29 14:43:09 C 09 08 47.95 -06 10 12.4 r 379
2008-02-29 14:43:41 C 09 08 48.07 -06 10 14.8 r 379
2008-02-29 14:44:45 C 09 08 48.40 -06 10 19.8 r 379
2008-02-29 14:45:17 C 09 08 48.55 -06 10 22.3 r 379
2008-02-29 14:46:53 C 09 08 49.01 -06 10 29.8 r 379
2008-02-29 14:47:25 C 09 08 49.19 -06 10 32.1 r 379
2008-02-29 14:48:29 C 09 08 49.50 -06 10 37.1 r 379
2008-02-29 14:49:01 C 09 08 49.65 -06 10 39.7 r 379
2008-02-29 14:49:33 C 09 08 49.80 -06 10 42.5 r 379
2008-02-29 14:50:38 C 09 08 50.12 -06 10 47.4 r 379
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2008-02-12 00:46:00 74376743.286 50 us 2380 -1 -1
2022-02-22 05:50:00 105008239.98 10 us 8560 -14 -14
2022-02-23 01:00:00 104031851.77 10 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)