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
2008-01-02 01:16:47 C 03 44 27.14 +51 03 56.7 r H45
2008-01-02 01:18:34 C 03 44 27.07 +51 03 56.7 r H45
2008-01-02 01:37:49 C 03 44 26.39 +51 03 56.9 r H45
2008-01-02 01:40:02 C 03 44 26.30 +51 03 56.9 r H45
2008-01-02 01:42:14 C 03 44 26.23 +51 03 56.9 r H45
2008-01-04 06:26:22 C 03 43 32.98 +51 00 15.0 r H45
2008-01-04 06:27:40 C 03 43 32.95 +51 00 14.8 r H45
2008-01-04 06:28:28 C 03 43 32.93 +51 00 14.6 r H45
2008-01-04 06:30:54 C 03 43 32.87 +51 00 14.1 r H45
2008-01-04 06:33:07 C 03 43 32.83 +51 00 13.7 r H45
2008-01-05 20:59:59 C 03 43 22.72 +50 56 02.1 c J93
2008-01-05 21:03:05 C 03 43 22.68 +50 56 01.7 c J93
2008-01-05 21:11:57 C 03 43 22.53 +50 56 00.4 c J93
2008-01-14 06:12:03 C 03 48 25.04 +50 12 36.1 r H45
2008-01-14 06:14:07 C 03 48 25.13 +50 12 35.2 r H45
2008-01-14 06:15:34 C 03 48 25.21 +50 12 34.5 r H45
2008-01-14 06:17:22 C 03 48 25.28 +50 12 33.7 r H45
2008-01-14 06:19:30 C 03 48 25.38 +50 12 32.8 r H45
2008-01-16 10:54:28 C 03 51 52.64 +49 54 58.4 r 379
2008-01-16 10:57:08 C 03 51 52.78 +49 54 57.2 r 379
2008-01-16 11:02:44 C 03 51 53.04 +49 54 54.9 r 379
2008-01-16 11:05:24 C 03 51 53.19 +49 54 53.9 r 379
2008-01-16 11:08:05 C 03 51 53.33 +49 54 53.2 r 379
2008-01-20 03:19:03 C 03 59 49.34 +49 17 10.4 r H45
2008-01-20 03:21:33 C 03 59 49.56 +49 17 09.1 r H45
2008-01-20 03:23:04 C 03 59 49.68 +49 17 08.2 r H45
2008-01-20 03:24:36 C 03 59 49.81 +49 17 07.5 r H45
2008-01-20 03:25:49 C 03 59 49.92 +49 17 06.8 r H45
2008-01-21 06:36:14 C 04 02 51.01 +49 02 46.6 r H45
2008-01-21 06:37:34 C 04 02 51.16 +49 02 45.7 r H45
2008-01-21 06:39:12 C 04 02 51.34 +49 02 44.6 r H45
2008-01-21 06:40:26 C 04 02 51.46 +49 02 43.6 r H45
2008-01-21 06:41:54 C 04 02 51.60 +49 02 42.5 r H45
2008-01-21 06:43:09 C 04 02 51.77 +49 02 41.8 r H45
2008-01-21 06:44:33 C 04 02 51.90 +49 02 40.8 r H45
2008-01-23 03:04:15 C 04 08 37.22 +48 37 08.4 o H51
2008-01-23 03:05:00 C 04 08 37.32 +48 37 07.9 o H51
2008-01-23 03:05:44 C 04 08 37.39 +48 37 07.4 o H51
2008-01-23 03:06:28 C 04 08 37.47 +48 37 07.0 o H51
2008-01-23 03:07:12 C 04 08 37.57 +48 37 06.5 o H51
2008-01-23 03:07:55 C 04 08 37.66 +48 37 06.0 o H51
2008-01-23 03:08:39 C 04 08 37.75 +48 37 05.5 o H51
2008-01-23 03:09:23 C 04 08 37.83 +48 37 05.0 o H51
2008-01-23 03:10:07 C 04 08 37.92 +48 37 04.5 o H51
2008-01-23 03:10:51 C 04 08 38.01 +48 37 04.1 o H51
2008-01-24 19:27:02 C 04 14 36.29 +48 09 53.9 c 434
2008-01-24 19:29:26 C 04 14 36.62 +48 09 52.1 c 434
2008-01-24 19:31:00 C 04 14 36.83 +48 09 51.0 c 434
2008-01-24 19:32:54 C 04 14 37.08 +48 09 49.6 c 434
2008-01-24 19:34:41 C 04 14 37.32 +48 09 48.3 c 434
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)