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
2020-09-07 06:18:50 C 20 26 18.669 -20 41 25.94 U F51
2020-09-07 06:35:57 C 20 26 18.173 -20 41 26.35 U F51
2020-09-07 06:53:04 C 20 26 17.678 -20 41 26.71 U F51
2020-09-07 07:10:13 C 20 26 17.174 -20 41 27.12 U F51
2020-09-16 06:16:58 C 20 21 22.382 -20 42 02.47 U F51
2020-09-16 06:31:57 C 20 21 22.097 -20 42 02.06 U F51
2020-09-16 07:02:21 C 20 21 21.523 -20 42 01.95 U F51
2021-09-02 10:42:52 C 03 21 47.95 +26 38 09.5 U I41
2021-09-02 11:18:31 C 03 21 49.88 +26 38 25.4 U I41
2021-09-03 10:53:07 C 03 23 08.10 +26 48 47.1 V G96
2021-09-03 11:00:32 C 03 23 08.67 +26 48 51.4 V G96
2021-09-03 11:07:58 C 03 23 09.05 +26 48 54.5 V G96
2021-09-03 11:15:23 C 03 23 09.48 +26 48 57.7 V G96
2021-09-04 10:48:59 C 03 24 27.37 +26 59 21.1 U I41
2021-09-04 11:24:51 C 03 24 29.29 +26 59 36.9 U I41
2021-09-06 10:43:11 C 03 27 04.06 +27 20 32.5 U I41
2021-09-06 11:14:04 C 03 27 05.68 +27 20 46.4 U I41
2021-09-08 12:40:48 C 03 29 45.107 +27 42 46.39 U F52
2021-09-08 12:57:23 C 03 29 45.955 +27 42 53.91 U F52
2021-09-08 13:13:58 C 03 29 46.812 +27 43 01.38 U F52
2021-09-08 13:30:38 C 03 29 47.665 +27 43 08.87 U F52
2021-09-10 10:11:20 C 03 32 09.48 +28 03 05.1 V 703
2021-09-10 10:33:58 C 03 32 10.54 +28 03 15.2 V 703
2021-10-02 08:26:09 C 03 56 23.15 +32 09 35.2 V 703
2021-10-02 08:33:45 C 03 56 23.46 +32 09 39.3 V 703
2021-10-02 08:41:20 C 03 56 23.62 +32 09 42.3 V 703
2021-10-02 08:48:55 C 03 56 23.78 +32 09 45.2 V 703
2021-10-03 10:58:56 C 03 57 22.468 +32 22 46.86 U F52
2021-10-03 11:16:12 C 03 57 23.057 +32 22 55.67 U F52
2021-10-03 11:33:29 C 03 57 23.647 +32 23 04.46 U F52
2021-10-04 13:45:23 C 03 58 19.92 +32 36 10.2 V T05
2021-10-04 13:51:49 C 03 58 20.16 +32 36 13.5 V T05
2021-10-04 14:29:24 C 03 58 21.36 +32 36 32.3 V T05
2021-10-04 15:10:12 C 03 58 22.75 +32 36 52.7 V T05
2021-10-05 14:25:16 C 03 59 11.43 +32 48 34.9 V T05
2021-10-05 14:41:26 C 03 59 11.98 +32 48 42.0 V T05
2021-10-05 14:53:50 C 03 59 12.39 +32 48 48.3 V T05
2021-10-05 15:00:38 C 03 59 12.64 +32 48 51.0 V T05
2021-10-10 13:44:41 C 04 02 57.67 +33 49 38.4 V T08
2021-10-10 13:48:40 C 04 02 57.77 +33 49 40.2 V T08
2021-10-10 14:12:55 C 04 02 58.36 +33 49 52.7 V T08
2021-10-10 14:39:58 C 04 02 59.06 +33 50 06.6 V T08
2021-10-15 11:42:48 C 04 05 58.00 +34 51 52.6 V T08
2021-10-15 11:45:27 C 04 05 58.09 +34 51 53.7 V T08
2021-10-15 11:49:26 C 04 05 58.10 +34 51 56.1 V T08
2021-10-15 12:02:37 C 04 05 58.43 +34 52 03.9 V T08
2021-10-16 07:13:58 C 04 06 23.41 +35 02 18.1 V G96
2021-10-16 07:22:13 C 04 06 23.58 +35 02 22.6 V G96
2021-10-16 07:30:27 C 04 06 23.72 +35 02 27.1 V G96
2021-10-16 07:38:40 C 04 06 23.87 +35 02 31.6 V G96
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)