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
2008-03-23 03:35:09 C 10 55 27.69 -24 55 35.5 r 808
2008-03-30 23:26:47 C 11 14 21.68 -25 47 32.5 r J51
2008-03-31 00:43:00 C 11 14 27.48 -25 47 38.5 r J51
2008-03-31 00:54:55 C 11 14 28.38 -25 47 39.3 r J51
2008-04-07 04:30:23 C 11 28 22.86 -25 42 56.9 15.3 c 704
2008-04-07 04:46:29 C 11 28 23.88 -25 42 54.4 15.7 c 704
2008-04-07 05:03:13 C 11 28 24.97 -25 42 52.3 15.5 c 704
2008-04-07 05:19:39 C 11 28 26.05 -25 42 50.8 15.6 c 704
2008-04-07 05:36:16 C 11 28 27.12 -25 42 48.8 15.8 c 704
2008-04-07 05:44:26 C 11 28 27.80 -25 42 47.8 r 703
2008-04-07 05:52:06 C 11 28 28.30 -25 42 46.9 r 703
2008-04-07 05:59:48 C 11 28 28.81 -25 42 45.9 r 703
2008-04-07 06:07:24 C 11 28 29.28 -25 42 44.8 r 703
2008-04-13 05:30:48 C 11 38 43.33 -25 18 46.3 r 703
2008-04-13 05:40:12 C 11 38 43.90 -25 18 44.5 r 703
2008-04-13 05:49:37 C 11 38 44.48 -25 18 42.8 r 703
2008-04-13 05:59:02 C 11 38 45.02 -25 18 40.6 r 703
2008-04-15 04:30:02 C 11 41 54.77 -25 08 43.1 16.1 c 704
2008-04-15 04:46:18 C 11 41 55.73 -25 08 39.7 16.4 c 704
2008-04-15 05:02:19 C 11 41 56.67 -25 08 36.1 16.2 c 704
2008-04-15 05:18:20 C 11 41 57.63 -25 08 32.9 16.4 c 704
2008-04-15 05:34:21 C 11 41 58.55 -25 08 29.1 16.2 c 704
2008-04-21 03:59:32 C 11 51 17.37 -24 34 27.8 r H51
2008-04-21 04:00:38 C 11 51 17.37 -24 34 27.3 r H51
2008-04-21 04:01:42 C 11 51 17.46 -24 34 27.1 r H51
2008-04-21 04:02:46 C 11 51 17.51 -24 34 27.4 r H51
2008-04-23 02:39:59 C 11 54 15.48 -24 22 14.3 r 808
2008-04-23 02:50:09 C 11 54 16.06 -24 22 11.7 r 808
2008-04-23 03:00:00 C 11 54 16.67 -24 22 09.0 r 808
2008-04-24 01:01:30 C 11 55 40.83 -24 16 33.1 r 808
2008-04-24 01:11:00 C 11 55 41.43 -24 16 30.9 r 808
2008-04-24 01:20:59 C 11 55 41.93 -24 16 28.4 r 808
2008-05-02 13:39:52 C 12 08 24.21 -23 25 29.8 r E12
2008-05-02 13:55:31 C 12 08 25.08 -23 25 26.0 r E12
2008-05-02 14:11:12 C 12 08 26.01 -23 25 21.7 r E12
2008-05-02 14:26:56 C 12 08 26.91 -23 25 17.7 r E12
2008-05-06 12:03:37 C 12 14 15.50 -23 03 46.9 r E12
2008-05-06 12:28:29 C 12 14 16.90 -23 03 41.1 r E12
2008-05-06 12:43:39 C 12 14 17.77 -23 03 37.9 r E12
2008-05-06 13:00:45 C 12 14 18.74 -23 03 33.8 r E12
2008-05-12 13:03:29 C 12 23 17.77 -22 34 15.9 r E12
2008-05-12 13:15:13 C 12 23 18.45 -22 34 13.3 r E12
2008-05-12 13:27:02 C 12 23 19.14 -22 34 11.0 r E12
2008-05-12 13:38:49 C 12 23 19.86 -22 34 08.7 r E12
2008-05-14 02:14:49 C 12 25 38.30 -22 27 34.6 r 808
2008-05-14 02:25:29 C 12 25 38.89 -22 27 32.8 r 808
2008-05-14 02:37:30 C 12 25 39.59 -22 27 30.9 r 808
2008-05-30 13:32:57 C 12 50 55.14 -21 39 25.9 r E12
2008-05-30 13:52:02 C 12 50 56.36 -21 39 25.4 r E12
2008-05-30 14:11:12 C 12 50 57.55 -21 39 23.0 r E12
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)