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
2004-10-15 06:00:11 C 00 17 29.32 +12 25 24.2 18.6 c 704
2004-10-15 06:15:58 C 00 17 28.37 +12 25 19.0 19.1 c 704
2004-10-15 06:31:43 C 00 17 27.35 +12 25 15.4 19.2 c 704
2004-10-15 06:47:29 C 00 17 26.33 +12 25 10.8 19.1 c 704
2004-10-15 07:03:16 C 00 17 25.32 +12 25 04.7 18.8 c 704
2004-12-07 17:44:31 C 23 45 46.28 +08 04 50.3 c 246
2004-12-07 17:45:42 C 23 45 46.30 +08 04 49.3 c 246
2004-12-07 17:48:53 C 23 45 46.36 +08 04 50.6 c 246
2004-12-07 17:50:08 C 23 45 46.39 +08 04 49.8 c 246
2004-12-07 17:53:47 C 23 45 46.50 +08 04 50.1 c 246
2004-12-07 17:56:47 C 23 45 46.54 +08 04 50.3 c 246
2004-12-07 17:58:04 C 23 45 46.56 +08 04 49.9 c 246
2004-12-09 01:45:46 C 23 46 28.42 +08 05 46.5 19.6 c 704
2004-12-09 02:03:23 C 23 46 28.78 +08 05 46.6 19.8 c 704
2004-12-09 02:21:59 C 23 46 29.16 +08 05 46.5 19.4 c 704
2004-12-09 03:01:29 C 23 46 30.09 +08 05 49.6 20.0 c 704
2005-06-18 03:43:13 C 09 47 33.72 +08 40 09.5 r G96
2005-06-18 03:44:44 C 09 47 33.97 +08 40 08.5 r G96
2005-06-18 03:46:14 C 09 47 34.18 +08 40 06.7 r G96
2005-06-18 03:47:44 C 09 47 34.47 +08 40 04.9 r G96
2007-09-27 07:13:35 C 04 02 34.80 +31 33 14.9 r G96
2007-09-27 07:21:12 C 04 02 35.19 +31 33 18.7 r G96
2007-09-27 07:28:56 C 04 02 35.55 +31 33 22.4 r G96
2007-09-27 07:36:36 C 04 02 35.95 +31 33 26.3 r G96
2007-10-24 07:34:24 C 04 29 43.35 +37 21 32.0 18.5 c 704
2007-10-24 07:50:56 C 04 29 43.77 +37 21 42.0 18.5 c 704
2007-10-24 08:24:12 C 04 29 44.41 +37 22 02.0 19.4 c 704
2007-10-24 08:40:44 C 04 29 45.06 +37 22 12.0 18.6 c 704
2007-10-31 22:38:15 C 04 33 53.36 +39 14 06.8 r J51
2007-10-31 22:58:04 C 04 33 53.65 +39 14 19.9 r J51
2007-10-31 23:27:48 C 04 33 54.09 +39 14 39.7 r J51
2007-11-01 21:05:30 C 04 34 14.75 +39 28 20.2 r A13
2007-11-01 21:30:42 C 04 34 15.11 +39 28 37.1 r A13
2007-11-05 06:36:25 C 04 35 14.35 +40 21 02.6 r H45
2007-11-05 06:37:28 C 04 35 14.35 +40 21 03.6 r H45
2007-11-05 06:38:40 C 04 35 14.36 +40 21 04.2 r H45
2007-11-05 06:41:09 C 04 35 14.36 +40 21 06.1 r H45
2007-11-06 23:14:04 C 04 35 32.84 +40 47 35.8 17.5 r B15
2007-11-06 23:21:59 C 04 35 32.88 +40 47 41.1 17.6 r B15
2007-11-06 23:34:34 C 04 35 32.88 +40 47 49.4 17.5 r B15
2007-11-15 09:52:25 C 04 35 00.12 +43 03 19.9 r H45
2007-11-15 09:53:53 C 04 35 00.09 +43 03 20.7 r H45
2007-11-15 09:56:38 C 04 35 00.04 +43 03 22.5 r H45
2007-11-15 09:58:48 C 04 35 00.01 +43 03 23.9 r H45
2007-11-15 10:01:25 C 04 34 59.97 +43 03 25.6 r H45
2007-11-16 23:32:02 C 04 34 31.53 +43 28 47.9 r A06
2007-11-16 23:43:02 C 04 34 31.31 +43 28 55.4 r A06
2007-11-16 23:52:41 C 04 34 31.13 +43 29 01.9 r A06
2007-11-19 01:12:44 C 04 33 39.62 +44 02 22.6 c J40
2007-11-19 01:19:56 C 04 33 39.41 +44 02 27.7 c J40
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)