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
2008-02-10 19:18:01 C 06 06 42.58 +35 46 22.1 r A06
2008-02-10 19:39:18 C 06 06 50.43 +35 45 04.2 r A06
2008-02-11 17:36:47 C 06 15 43.82 +34 19 36.8 o B04
2008-02-11 17:40:26 C 06 15 45.22 +34 19 22.5 o B04
2008-02-11 17:47:29 C 06 15 47.92 +34 18 55.1 o B04
2008-02-11 17:47:58 C 06 15 48.12 +34 18 53.3 o B04
2008-02-11 17:48:28 C 06 15 48.31 +34 18 51.3 o B04
2008-02-11 17:48:58 C 06 15 48.51 +34 18 49.3 o B04
2008-02-11 17:49:27 C 06 15 48.69 +34 18 47.4 o B04
2008-02-11 17:49:57 C 06 15 48.90 +34 18 45.9 o B04
2008-02-11 17:50:28 C 06 15 49.08 +34 18 43.3 o B04
2008-02-11 17:50:57 C 06 15 49.26 +34 18 41.4 o B04
2008-02-11 17:51:28 C 06 15 49.47 +34 18 39.5 o B04
2008-02-11 17:51:57 C 06 15 49.66 +34 18 37.6 o B04
2008-02-11 18:04:23 C 06 15 54.44 +34 17 48.8 o B04
2008-02-11 18:04:54 C 06 15 54.65 +34 17 46.8 o B04
2008-02-11 18:05:25 C 06 15 54.84 +34 17 44.8 o B04
2008-02-11 18:05:55 C 06 15 55.03 +34 17 42.8 o B04
2008-02-11 18:06:25 C 06 15 55.22 +34 17 40.9 o B04
2008-02-11 18:18:43 C 06 15 59.94 +34 16 52.5 o B04
2008-02-11 18:19:13 C 06 16 00.15 +34 16 50.5 o B04
2008-02-11 18:19:42 C 06 16 00.33 +34 16 48.7 o B04
2008-02-11 18:20:13 C 06 16 00.51 +34 16 46.6 o B04
2008-02-11 19:15:27 C 06 16 21.39 +34 13 00.0 r A17
2008-02-11 19:32:55 C 06 16 28.07 +34 11 49.8 r A17
2008-02-11 19:45:54 C 06 16 33.06 +34 10 57.2 r A17
2008-02-11 22:01:56 C 06 17 25.33 +34 01 36.0 o 510
2008-02-11 22:03:06 C 06 17 25.75 +34 01 31.3 o 510
2008-02-11 22:07:41 C 06 17 27.54 +34 01 11.9 o 510
2008-02-12 00:44:08 C 06 18 36.25 +33 50 49.8 r H98
2008-02-12 00:55:50 C 06 18 40.71 +33 50 02.0 r H98
2008-02-12 01:08:24 C 06 18 45.50 +33 49 10.4 r H98
2008-02-12 01:17:34 C 06 18 48.99 +33 48 32.7 r H98
2008-02-12 23:29:06 C 06 27 57.09 +32 12 42.5 o B26
2008-02-12 23:38:24 C 06 28 00.79 +32 11 59.7 o B26
2008-02-12 23:49:44 C 06 28 05.32 +32 11 07.3 o B26
2008-02-13 02:23:55 C 06 29 18.62 +32 00 08.9 14.9 c 704
2008-02-13 02:41:16 C 06 29 25.37 +31 58 51.5 14.8 c 704
2008-02-13 02:58:20 C 06 29 32.00 +31 57 35.3 14.7 c 704
2008-02-13 03:15:45 C 06 29 38.82 +31 56 18.8 14.8 c 704
2008-02-13 03:32:53 C 06 29 45.39 +31 55 01.5 14.8 c 704
2008-02-13 20:19:38 C 06 36 50.98 +30 36 44.7 r A81
2008-02-13 20:26:08 C 06 36 53.58 +30 36 13.7 r A81
2008-02-13 20:27:23 C 06 36 54.18 +30 36 04.4 o A57
2008-02-13 20:28:32 C 06 36 54.51 +30 36 02.2 r A81
2008-02-13 20:30:06 C 06 36 55.26 +30 35 51.3 o A57
2008-02-13 20:31:10 C 06 36 55.55 +30 35 49.6 r A81
2008-02-13 20:32:47 C 06 36 56.32 +30 35 38.5 o A57
2008-02-13 20:35:30 C 06 36 57.42 +30 35 25.3 o A57
2008-02-13 20:37:11 C 06 36 57.94 +30 35 20.8 r A81
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)