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
2008-01-24 22:13:55 C 04 14 59.13 +48 07 44.0 r A81
2008-01-24 22:18:09 C 04 14 59.72 +48 07 40.4 r A81
2008-01-24 22:22:23 C 04 15 00.33 +48 07 36.8 r A81
2008-01-24 22:26:38 C 04 15 00.94 +48 07 33.2 r A81
2008-01-26 18:18:31 C 04 22 32.92 +47 32 47.6 r 130
2008-01-26 18:19:51 C 04 22 33.12 +47 32 46.5 r 130
2008-01-26 18:21:37 C 04 22 33.42 +47 32 45.0 r 130
2008-01-26 18:23:11 C 04 22 33.66 +47 32 43.8 r 130
2008-01-26 18:51:46 C 04 22 39.08 +47 32 24.2 r 170
2008-01-26 18:54:53 C 04 22 39.55 +47 32 21.8 r 170
2008-01-26 18:58:06 C 04 22 40.05 +47 32 19.1 r 170
2008-01-26 22:42:05 C 04 23 15.66 +47 28 46.2 r 204
2008-01-26 22:46:57 C 04 23 16.50 +47 28 41.3 r 204
2008-01-26 22:52:08 C 04 23 17.37 +47 28 36.1 r 204
2008-01-28 02:32:19 C 04 28 37.10 +47 03 23.7 r H53
2008-01-28 02:33:27 C 04 28 37.30 +47 03 22.5 r H53
2008-01-28 02:34:24 C 04 28 37.45 +47 03 21.5 r H53
2008-01-28 02:35:35 C 04 28 37.66 +47 03 20.3 r H53
2008-01-28 02:36:31 C 04 28 37.82 +47 03 19.5 r H53
2008-01-28 02:37:28 C 04 28 37.98 +47 03 18.4 r H53
2008-01-28 23:33:08 C 04 32 57.23 +46 41 53.7 r H98
2008-01-29 01:00:57 C 04 33 13.56 +46 40 23.0 r H98
2008-01-29 01:52:09 C 04 33 23.10 +46 39 27.0 r H98
2008-01-31 03:33:16 C 04 44 34.77 +45 40 41.9 r H53
2008-01-31 03:34:13 C 04 44 34.96 +45 40 40.5 r H53
2008-01-31 03:35:21 C 04 44 35.21 +45 40 38.9 r H53
2008-01-31 03:37:08 C 04 44 35.59 +45 40 36.4 r H53
2008-01-31 03:38:45 C 04 44 35.93 +45 40 34.1 r H53
2008-01-31 03:40:49 C 04 44 36.38 +45 40 31.3 r H53
2008-02-03 19:23:14 C 05 08 08.18 +43 22 03.4 r A35
2008-02-03 19:25:46 C 05 08 08.87 +43 21 58.7 r A35
2008-02-03 19:26:36 C 05 08 09.09 +43 21 57.2 r A35
2008-02-07 19:58:34 C 05 39 41.67 +39 38 20.4 r A81
2008-02-07 20:00:15 C 05 39 42.23 +39 38 15.6 r A81
2008-02-07 20:01:57 C 05 39 42.79 +39 38 10.8 r A81
2008-02-07 20:04:18 C 05 39 43.56 +39 38 04.2 r A81
2008-02-07 20:06:54 C 05 39 44.40 +39 37 56.8 r A81
2008-02-08 03:50:23 C 05 42 31.78 +39 16 05.0 16.4 c 704
2008-02-08 04:08:02 C 05 42 37.33 +39 15 15.7 14.9 c 704
2008-02-08 04:43:01 C 05 42 48.95 +39 13 31.6 14.7 c 704
2008-02-08 21:14:11 C 05 48 52.73 +38 23 15.2 13.5 r A97
2008-02-08 21:17:34 C 05 48 53.90 +38 23 04.4 13.6 r A97
2008-02-08 21:20:57 C 05 48 55.07 +38 22 53.4 13.7 r A97
2008-02-08 21:24:20 C 05 48 56.25 +38 22 42.8 13.7 r A97
2008-02-08 21:27:43 C 05 48 57.44 +38 22 32.0 13.8 r A97
2008-02-08 21:31:05 C 05 48 58.62 +38 22 21.1 13.8 r A97
2008-02-09 21:25:05 C 05 58 03.35 +37 04 21.7 c 560
2008-02-09 21:28:50 C 05 58 04.72 +37 04 08.5 c 560
2008-02-09 21:36:30 C 05 58 07.47 +37 03 41.6 c 560
2008-02-10 18:58:36 C 06 06 35.42 +35 47 32.7 r A06
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)