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
2015-09-09 15:47:26 C 23 28 24.63 +01 36 36.4 q D29
2015-09-09 16:09:01 C 23 28 23.50 +01 36 31.8 q D29
2015-09-09 16:30:36 C 23 28 22.35 +01 36 27.5 q D29
2015-09-14 06:33:40 C 23 22 42.74 +01 11 27.1 R G45
2015-09-14 06:41:43 C 23 22 42.29 +01 11 25.3 R G45
2015-09-14 06:49:23 C 23 22 41.87 +01 11 23.4 R G45
2015-09-14 07:04:02 C 23 22 41.08 +01 11 20.4 R G45
2015-09-15 06:29:40 C 23 21 27.79 +01 05 46.8 R G45
2015-09-15 06:35:27 C 23 21 27.44 +01 05 45.2 R G45
2015-09-15 06:37:26 C 23 21 27.38 +01 05 44.8 R G45
2015-09-15 06:43:12 C 23 21 27.04 +01 05 43.8 R G45
2015-09-15 06:44:36 C 23 21 26.99 +01 05 43.1 R G45
2015-09-15 06:51:59 C 23 21 26.56 +01 05 41.9 R G45
2015-09-15 07:05:11 C 23 21 25.91 +01 05 38.2 R G45
2015-09-17 05:15:34 C 23 19 00.88 +00 54 28.6 V G45
2015-09-17 06:23:28 C 23 18 57.22 +00 54 12.3 V G45
2015-09-17 06:58:49 C 23 18 55.43 +00 54 04.2 q 703
2015-09-17 07:06:02 C 23 18 54.92 +00 54 02.4 q 703
2015-09-17 07:13:15 C 23 18 54.49 +00 53 59.7 q 703
2015-09-17 07:20:28 C 23 18 54.15 +00 53 57.2 q 703
2015-09-17 07:21:22 C 23 18 54.05 +00 53 58.2 V G45
2015-09-17 08:36:25 C 23 18 50.01 +00 53 39.6 V G45
2015-10-17 13:05:33 C 22 46 11.86 -01 55 13.8 q D29
2015-10-17 13:25:52 C 22 46 11.14 -01 55 18.4 q D29
2015-12-01 05:01:36 C 22 44 30.797 -02 23 53.72 L F51
2015-12-01 05:03:28 C 22 44 30.843 -02 23 53.66 L F51
2015-12-01 05:18:23 C 22 44 31.216 -02 23 51.38 L F51
2015-12-01 05:20:16 C 22 44 31.255 -02 23 51.26 L F51
2015-12-01 05:35:13 C 22 44 31.633 -02 23 49.31 L F51
2015-12-01 05:37:05 C 22 44 31.668 -02 23 49.13 L F51
2015-12-01 05:51:59 C 22 44 32.033 -02 23 47.24 L F51
2015-12-01 05:53:52 C 22 44 32.072 -02 23 46.94 L F51
2017-06-24 12:14:23 C 20 43 26.407 -23 29 16.72 L F51
2017-06-24 12:30:15 C 20 43 25.772 -23 29 18.86 L F51
2017-06-24 12:46:06 C 20 43 25.133 -23 29 21.17 L F51
2017-06-24 13:02:00 C 20 43 24.499 -23 29 23.13 L F51
2017-08-13 07:38:07 C 19 43 48.020 -25 17 30.78 L F51
2017-08-13 07:52:07 C 19 43 47.430 -25 17 30.85 L F51
2017-08-13 08:06:10 C 19 43 46.815 -25 17 30.84 L F51
2017-08-13 08:20:12 C 19 43 46.217 -25 17 30.85 L F51
2018-09-06 07:44:48 C 01 05 14.83 +14 25 55.7 V 703
2018-09-06 07:52:21 C 01 05 14.57 +14 25 56.2 V 703
2018-09-06 07:59:56 C 01 05 14.45 +14 25 55.9 V 703
2018-09-06 08:07:29 C 01 05 14.19 +14 25 58.0 V 703
2018-09-09 07:59:56 C 01 03 03.48 +14 28 27.8 V 703
2018-09-09 08:15:04 C 01 03 02.98 +14 28 29.4 V 703
2018-09-09 08:22:37 C 01 03 02.70 +14 28 28.2 V 703
2018-09-10 06:49:15 C 01 02 18.15 +14 28 53.4 V G96
2018-09-10 06:56:41 C 01 02 17.89 +14 28 53.6 V G96
2018-09-10 07:04:07 C 01 02 17.61 +14 28 53.8 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)