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
2008-05-30 14:30:26 C 12 50 58.77 -21 39 21.2 r E12
2008-06-25 10:38:15 C 13 32 38.97 -21 41 53.9 r E12
2008-06-25 10:53:55 C 13 32 39.98 -21 41 53.9 r E12
2008-06-25 11:09:32 C 13 32 41.06 -21 41 55.2 r E12
2008-06-25 11:25:11 C 13 32 42.03 -21 41 56.7 r E12
2009-07-14 10:11:23 C 22 19 39.43 -11 31 50.0 o 691
2009-07-14 10:36:50 C 22 19 38.72 -11 31 53.1 o 691
2009-07-14 11:02:15 C 22 19 38.01 -11 31 54.8 o 691
2009-07-27 09:00:45 C 22 09 26.49 -12 12 18.0 o 691
2009-07-27 09:36:08 C 22 09 25.07 -12 12 23.6 o 691
2009-07-31 09:07:02 C 22 05 33.84 -12 27 51.9 o 691
2009-07-31 09:58:04 C 22 05 31.61 -12 28 00.6 o 691
2009-08-10 06:31:32 C 21 54 55.51 -13 09 56.6 o 691
2009-08-10 06:56:57 C 21 54 54.30 -13 10 00.3 o 691
2009-08-10 07:22:24 C 21 54 53.08 -13 10 05.2 o 691
2010-10-17 11:44:34 C 09 40 42.27 +19 30 49.2 r 703
2010-10-17 11:50:02 C 09 40 43.39 +19 30 43.2 r 703
2010-10-17 11:55:28 C 09 40 44.43 +19 30 38.2 r 703
2010-10-17 12:00:53 C 09 40 45.26 +19 30 31.7 r 703
2010-11-07 12:20:58 C 11 09 17.35 +09 18 29.7 r 703
2010-11-07 12:24:19 C 11 09 17.89 +09 18 24.7 r 703
2010-11-07 12:27:37 C 11 09 18.39 +09 18 19.9 r 703
2010-11-07 12:30:59 C 11 09 18.97 +09 18 15.9 r 703
2010-11-13 12:05:10 C 11 33 28.44 +06 03 38.7 r G96
2010-11-13 12:14:56 C 11 33 30.02 +06 03 25.3 r G96
2010-11-13 12:24:52 C 11 33 31.68 +06 03 11.8 r G96
2010-11-13 12:34:54 C 11 33 33.33 +06 02 58.2 r G96
2010-12-09 12:24:46 C 13 13 00.51 -07 51 28.8 r G96
2010-12-09 12:31:30 C 13 13 01.56 -07 51 37.4 r G96
2010-12-09 12:38:13 C 13 13 02.56 -07 51 45.9 r G96
2010-12-09 12:45:08 C 13 13 03.61 -07 51 54.3 r G96
2012-09-09 01:28:10 C 22 19 47.28 -07 57 51.8 L W91
2012-09-09 01:32:20 C 22 19 47.08 -07 57 52.7 L W91
2012-09-09 01:35:21 C 22 19 46.94 -07 57 53.3 L W91
2014-07-07 11:38:45 C 19 03 43.525 -30 05 21.11 L F51
2014-07-07 11:52:59 C 19 03 42.629 -30 05 20.95 L F51
2015-07-28 13:26:23 C 00 00 47.863 +03 01 27.06 L F51
2015-07-28 13:44:50 C 00 00 47.685 +03 01 28.31 L F51
2015-07-28 14:03:28 C 00 00 47.519 +03 01 29.23 L F51
2015-07-28 14:21:46 C 00 00 47.358 +03 01 30.59 L F51
2015-08-19 08:55:58 C 23 50 15.13 +02 56 15.3 q 703
2015-08-19 09:24:15 C 23 50 14.14 +02 56 12.6 q 703
2015-08-21 12:07:17 C 23 48 31.273 +02 51 30.42 L F51
2015-08-21 12:25:29 C 23 48 30.610 +02 51 28.46 L F51
2015-09-06 06:44:11 C 23 32 26.56 +01 53 35.3 q 703
2015-09-06 06:55:07 C 23 32 25.99 +01 53 31.7 q 703
2015-09-06 07:16:58 C 23 32 24.87 +01 53 29.2 q 703
2015-09-06 08:02:49 C 23 32 22.53 +01 53 19.7 o 691
2015-09-06 08:29:52 C 23 32 21.18 +01 53 14.2 o 691
2015-09-06 08:56:55 C 23 32 19.82 +01 53 08.8 o 691
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)