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
2008-02-19 14:23:30 C 07 36 52.44 +17 36 42.9 r 379
2008-02-19 14:24:35 C 07 36 52.89 +17 36 35.9 r 379
2008-02-19 14:25:39 C 07 36 53.34 +17 36 29.3 r 379
2008-02-19 14:26:11 C 07 36 53.53 +17 36 26.2 r 379
2008-02-19 14:26:43 C 07 36 53.72 +17 36 22.7 r 379
2008-02-19 23:27:48 C 07 40 49.27 +16 39 24.7 r J51
2008-02-19 23:38:58 C 07 40 53.68 +16 38 13.4 r J51
2008-02-19 23:49:37 C 07 40 57.88 +16 37 05.1 r J51
2008-02-22 22:37:42 C 08 10 36.33 +09 01 16.5 r 169
2008-02-22 22:39:39 C 08 10 37.07 +09 01 03.8 r 169
2008-02-22 22:41:37 C 08 10 37.82 +09 00 51.2 r 169
2008-02-22 22:43:35 C 08 10 38.58 +09 00 38.8 r 169
2008-02-23 22:35:42 C 08 20 11.23 +06 29 35.0 r 169
2008-02-23 22:37:36 C 08 20 11.91 +06 29 23.1 r 169
2008-02-23 22:39:38 C 08 20 12.68 +06 29 09.9 r 169
2008-02-23 22:41:33 C 08 20 13.37 +06 28 58.1 r 169
2008-02-24 02:29:24 C 08 21 48.93 +06 05 25.9 P 716
2008-02-24 02:57:46 C 08 21 59.38 +06 02 29.7 P 716
2008-02-24 03:28:22 C 08 22 10.58 +05 59 19.7 P 716
2008-02-24 19:47:55 C 08 28 29.94 +04 18 25.5 c 560
2008-02-24 19:49:05 C 08 28 30.38 +04 18 18.3 c 560
2008-02-24 19:50:31 C 08 28 30.90 +04 18 09.7 c 560
2008-02-24 21:45:36 C 08 29 11.43 +04 06 23.7 12.6 r A97
2008-02-24 21:48:51 C 08 29 12.61 +04 06 04.2 12.4 r A97
2008-02-24 21:52:13 C 08 29 13.81 +04 05 43.7 12.6 r A97
2008-02-24 21:55:36 C 08 29 15.02 +04 05 23.1 12.8 r A97
2008-02-24 21:58:58 C 08 29 16.23 +04 05 02.4 12.9 r A97
2008-02-24 22:02:21 C 08 29 17.44 +04 04 41.7 12.8 r A97
2008-02-24 22:05:45 C 08 29 18.63 +04 04 21.5 12.8 r A97
2008-02-24 22:22:17 C 08 29 23.45 +04 02 47.7 o A92
2008-02-24 22:34:09 C 08 29 29.50 +04 01 33.9 r 169
2008-02-24 22:34:32 C 08 29 27.86 +04 01 33.8 o A92
2008-02-24 22:36:04 C 08 29 30.19 +04 01 22.3 r 169
2008-02-24 22:38:06 C 08 29 30.89 +04 01 10.4 r 169
2008-02-24 22:40:20 C 08 29 31.68 +04 00 56.5 r 169
2008-02-24 23:11:28 C 08 29 44.07 +03 57 36.8 c J93
2008-02-24 23:16:35 C 08 29 45.93 +03 57 05.5 c J93
2008-02-24 23:21:42 C 08 29 47.75 +03 56 34.5 c J93
2008-02-26 16:34:07 C 08 45 08.78 -00 05 00.8 r B18
2008-02-26 16:34:36 C 08 45 08.95 -00 05 03.0 r B18
2008-02-26 16:35:05 C 08 45 09.10 -00 05 06.1 r B18
2008-02-26 16:35:34 C 08 45 09.25 -00 05 09.0 r B18
2008-02-26 16:36:03 C 08 45 09.42 -00 05 11.7 r B18
2008-02-26 16:36:32 C 08 45 09.59 -00 05 14.5 r B18
2008-02-26 16:37:01 C 08 45 09.78 -00 05 17.0 r B18
2008-02-26 16:37:31 C 08 45 09.91 -00 05 19.8 r B18
2008-02-26 16:38:00 C 08 45 10.07 -00 05 22.6 r B18
2008-02-26 16:38:29 C 08 45 10.26 -00 05 25.0 r B18
2008-02-26 16:38:58 C 08 45 10.40 -00 05 27.9 r B18
2008-02-26 23:45:03 C 08 47 36.73 -00 45 27.3 c J93
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)