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
2003-07-19 15:07:52 C 20 13 17.59 -24 51 52.0 e 413
2004-08-26 09:05:06 C 01 10 49.852 +14 06 57.27 e 645
2004-08-26 09:10:06 C 01 10 49.778 +14 06 57.97 21.24 e 645
2004-09-06 23:15:20 C 01 04 57.23 +14 30 53.7 c 246
2004-09-06 23:19:11 C 01 04 57.06 +14 30 54.2 c 246
2004-09-06 23:20:43 C 01 04 56.99 +14 30 54.2 c 246
2004-09-06 23:26:46 C 01 04 56.91 +14 30 53.4 c 246
2004-09-06 23:28:59 C 01 04 56.80 +14 30 55.1 c 246
2004-09-10 04:54:33 C 01 02 28.24 +14 33 00.9 r H44
2004-09-10 04:57:13 C 01 02 28.29 +14 33 02.3 r H44
2004-09-10 04:59:55 C 01 02 28.04 +14 33 02.4 r H44
2004-09-10 05:02:36 C 01 02 28.04 +14 33 02.7 r H44
2004-09-10 05:05:16 C 01 02 27.86 +14 33 01.3 r H44
2004-09-13 06:51:59 C 00 59 45.70 +14 32 58.7 19.0 c 704
2004-09-13 07:08:23 C 00 59 45.09 +14 32 59.6 20.0 c 704
2004-09-13 07:24:46 C 00 59 44.34 +14 32 59.0 19.8 c 704
2004-09-13 07:41:09 C 00 59 43.64 +14 32 59.2 20.0 c 704
2004-09-13 07:57:33 C 00 59 42.96 +14 32 58.3 19.7 c 704
2004-09-15 07:41:10 C 00 57 47.49 +14 31 45.3 o 699
2004-09-15 08:04:34 C 00 57 46.50 +14 31 44.8 o 699
2004-09-15 08:27:57 C 00 57 45.55 +14 31 45.1 o 699
2004-09-15 08:51:21 C 00 57 44.62 +14 31 41.5 o 699
2004-09-17 21:48:23 C 00 55 05.32 +14 28 50.0 o 151
2004-09-17 21:54:58 C 00 55 05.01 +14 28 49.0 o 151
2004-09-17 21:58:36 C 00 55 04.82 +14 28 48.7 o 151
2004-09-17 21:59:11 C 00 55 04.81 +14 28 48.9 o 151
2004-09-18 07:22:54 C 00 54 38.97 +14 28 15.3 19.8 c 704
2004-09-18 07:41:01 C 00 54 38.17 +14 28 15.2 19.9 c 704
2004-09-18 07:59:18 C 00 54 37.28 +14 28 14.0 20.1 c 704
2004-09-18 08:17:06 C 00 54 36.39 +14 28 12.4 20.2 c 704
2004-09-18 08:34:57 C 00 54 35.57 +14 28 11.1 20.1 c 704
2004-09-22 07:08:01 C 00 50 01.34 +14 20 17.2 19.8 c 704
2004-09-22 07:47:23 C 00 49 59.31 +14 20 12.6 19.5 c 704
2004-09-22 08:06:52 C 00 49 58.31 +14 20 10.4 19.8 c 704
2004-09-22 08:26:26 C 00 49 57.23 +14 20 08.1 19.8 c 704
2004-10-05 19:04:54 C 00 31 33.21 +13 25 34.0 c 104
2004-10-05 19:10:42 C 00 31 32.86 +13 25 32.8 c 104
2004-10-05 19:16:22 C 00 31 32.47 +13 25 31.6 c 104
2004-10-07 19:51:00 C 00 28 32.04 +13 13 55.7 c A50
2004-10-07 19:53:34 C 00 28 31.90 +13 13 54.3 c A50
2004-10-07 20:31:17 C 00 28 29.54 +13 13 44.7 c A50
2004-10-10 04:52:45 C 00 24 59.33 +12 59 19.9 19.1 c 704
2004-10-10 05:08:28 C 00 24 58.29 +12 59 15.5 19.5 c 704
2004-10-10 05:25:10 C 00 24 57.24 +12 59 10.8 19.4 c 704
2004-10-10 05:41:21 C 00 24 56.19 +12 59 07.1 19.4 c 704
2004-10-10 05:58:12 C 00 24 55.11 +12 59 01.9 19.2 c 704
2004-10-11 21:19:04 C 00 22 28.34 +12 48 22.6 r 170
2004-10-11 21:25:43 C 00 22 27.90 +12 48 20.3 r 170
2004-10-11 21:32:24 C 00 22 27.49 +12 48 18.6 r 170
2004-10-11 21:41:17 C 00 22 26.95 +12 48 15.8 r 170
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)