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
2008-02-16 21:10:59 C 07 08 29.07 +24 11 59.6 c J69
2008-02-16 21:40:27 C 07 08 39.29 +24 09 13.0 12.8 r A97
2008-02-16 23:29:22 C 07 09 24.52 +23 58 35.8 r 118
2008-02-16 23:33:42 C 07 09 26.35 +23 58 10.2 r 118
2008-02-16 23:34:35 C 07 09 26.72 +23 58 05.1 r 118
2008-02-16 23:36:18 C 07 09 27.44 +23 57 54.9 r 118
2008-02-17 00:07:49 C 07 09 41.61 +23 54 48.6 o 510
2008-02-17 00:08:02 C 07 09 41.68 +23 54 47.4 o 510
2008-02-17 00:09:38 C 07 09 42.37 +23 54 38.2 o 510
2008-02-17 06:10:10 C 07 12 21.65 +23 20 28.7 r 448
2008-02-17 06:13:07 C 07 12 22.85 +23 20 11.2 r 448
2008-02-17 06:15:19 C 07 12 23.75 +23 19 58.3 r 448
2008-02-17 06:19:26 C 07 12 25.42 +23 19 33.8 r 448
2008-02-19 09:18:52 C 07 34 50.03 +18 08 38.4 r 379
2008-02-19 09:21:00 C 07 34 50.91 +18 08 25.0 r 379
2008-02-19 09:23:09 C 07 34 51.80 +18 08 11.8 r 379
2008-02-19 09:23:41 C 07 34 51.97 +18 08 08.5 r 379
2008-02-19 09:24:45 C 07 34 52.43 +18 08 01.9 r 379
2008-02-19 09:25:49 C 07 34 52.84 +18 07 55.4 r 379
2008-02-19 09:26:21 C 07 34 53.08 +18 07 52.2 r 379
2008-02-19 09:27:25 C 07 34 53.53 +18 07 45.4 r 379
2008-02-19 09:31:05 C 07 34 55.01 +18 07 22.7 r 379
2008-02-19 09:35:21 C 07 34 56.75 +18 06 56.3 r 379
2008-02-19 09:37:28 C 07 34 57.65 +18 06 43.2 r 379
2008-02-19 09:40:08 C 07 34 58.71 +18 06 26.4 r 379
2008-02-19 10:29:40 C 07 35 18.82 +18 01 18.9 r 379
2008-02-19 10:30:12 C 07 35 19.05 +18 01 15.5 r 379
2008-02-19 10:30:44 C 07 35 19.26 +18 01 11.8 r 379
2008-02-19 10:32:20 C 07 35 19.88 +18 01 02.4 r 379
2008-02-19 10:32:52 C 07 35 20.14 +18 00 58.7 r 379
2008-02-19 10:33:24 C 07 35 20.35 +18 00 55.6 r 379
2008-02-19 10:33:56 C 07 35 20.55 +18 00 51.9 r 379
2008-02-19 10:34:28 C 07 35 20.78 +18 00 48.6 r 379
2008-02-19 10:35:00 C 07 35 20.98 +18 00 45.8 r 379
2008-02-19 10:35:32 C 07 35 21.21 +18 00 42.0 r 379
2008-02-19 10:36:04 C 07 35 21.40 +18 00 38.7 r 379
2008-02-19 10:37:41 C 07 35 22.08 +18 00 28.5 r 379
2008-02-19 10:38:13 C 07 35 22.25 +18 00 25.5 r 379
2008-02-19 10:38:45 C 07 35 22.49 +18 00 22.0 r 379
2008-02-19 14:16:35 C 07 36 49.66 +17 37 27.3 r 379
2008-02-19 14:17:07 C 07 36 49.87 +17 37 23.9 r 379
2008-02-19 14:17:38 C 07 36 50.10 +17 37 20.5 r 379
2008-02-19 14:18:10 C 07 36 50.32 +17 37 17.0 r 379
2008-02-19 14:19:14 C 07 36 50.74 +17 37 10.1 r 379
2008-02-19 14:19:46 C 07 36 50.95 +17 37 06.9 r 379
2008-02-19 14:20:18 C 07 36 51.16 +17 37 03.6 r 379
2008-02-19 14:20:50 C 07 36 51.39 +17 36 59.8 r 379
2008-02-19 14:21:22 C 07 36 51.57 +17 36 56.7 r 379
2008-02-19 14:22:26 C 07 36 52.01 +17 36 49.8 r 379
2008-02-19 14:22:58 C 07 36 52.22 +17 36 46.5 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)