154275 (2002 SR41)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4907875808 ± 1.09e-08
Semi-major axis (a)1.0836517851 AU ± 2.32e-10
Inclination (i)11.57529375° ± 2.27e-06
Long. of Asc. Node (Ω)247.76645082° ± 4.93e-06
Arg. of Perihelion (ω)258.19732511° ± 4.66e-06
Mean Anomaly (M)109.22611262° ± 1.67e-06
Mean Motion (n)0.8737308094°/day ± 2.81e-10
Perihelion dist (q)0.55180895 AU ± 1.18e-08
Aphelion dist (Q)1.61549462 AU ± 1.18e-08
Orbital Period1.12806630 yr ± 3.63e-10
Physical Parameters
H (abs. magnitude)20.13
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.306″
Uncertainty0
Orbit TypeApollo
MOID0.036499 AU
Observations Used461
Radar Obs Used2
Oppositions1
Arc Total2002-2023
First Observation Used2002-09-30
Last Observation Used2023-07-08
Observations (488)
Date Type RA Dec Mag Band Observatory
2005-06-25 22:15:02 C 17 37 17.63 +10 11 38.4 c A50
2005-06-26 01:14:14 C 17 36 52.47 +10 07 35.2 r 941
2005-06-26 01:16:03 C 17 36 52.21 +10 07 32.7 r 941
2005-06-26 01:16:39 C 17 36 52.12 +10 07 31.9 r 941
2005-06-26 01:18:27 C 17 36 51.86 +10 07 29.4 r 941
2005-06-26 01:21:29 C 17 36 51.41 +10 07 25.2 r 941
2005-06-27 21:51:51 C 17 31 22.66 +09 08 42.9 o 198
2005-06-27 22:46:30 C 17 31 16.05 +09 07 34.8 o 198
2005-06-27 22:48:02 C 17 31 15.87 +09 07 32.8 o 198
2005-06-27 23:03:19 C 17 31 14.01 +09 07 13.7 o 198
2005-06-27 23:07:55 C 17 31 13.46 +09 07 08.1 o 198
2005-06-30 09:06:03 C 17 25 25.06 +07 58 56.9 18.0 o 644
2005-06-30 09:41:04 C 17 25 21.70 +07 58 17.6 18.0 o 644
2005-06-30 10:22:53 C 17 25 17.78 +07 57 30.0 17.9 o 644
2005-07-03 00:00:20 C 17 20 30.67 +06 52 34.3 r 941
2005-07-03 00:01:27 C 17 20 30.57 +06 52 32.8 r 941
2005-07-03 00:03:39 C 17 20 30.41 +06 52 30.1 r 941
2005-07-03 00:04:45 C 17 20 30.33 +06 52 29.1 r 941
2005-07-03 00:05:51 C 17 20 30.24 +06 52 27.8 r 941
2005-07-03 07:28:06 C 17 20 00.27 +06 45 12.3 r 703
2005-07-03 07:37:31 C 17 19 59.52 +06 45 03.8 r 703
2005-07-03 07:56:11 C 17 19 58.22 +06 44 44.0 r 703
2005-07-03 21:07:20 C 17 19 08.52 +06 31 43.5 r 151
2005-07-03 21:10:54 C 17 19 08.27 +06 31 39.6 r 151
2005-07-03 21:12:27 C 17 19 08.15 +06 31 37.6 r 151
2005-07-03 21:12:57 C 17 19 08.10 +06 31 37.2 r 151
2011-09-29 05:13:07 C 23 54 32.99 +42 39 34.7 o G58
2011-09-29 05:24:22 C 23 54 30.98 +42 39 37.4 o G58
2011-09-29 05:32:15 C 23 54 29.56 +42 39 38.9 o G58
2011-09-29 05:41:40 C 23 54 27.85 +42 39 40.9 o G58
2011-10-18 03:51:43 C 22 12 24.47 +37 59 57.4 t G56
2011-10-18 04:02:59 C 22 12 21.46 +37 59 39.9 t G56
2011-10-18 04:14:22 C 22 12 18.47 +37 59 20.4 t G56
2011-10-20 06:09:33 C 21 59 35.54 +36 31 44.6 u 448
2011-10-20 06:30:11 C 21 59 30.17 +36 31 04.7 u 448
2011-10-20 06:46:27 C 21 59 25.91 +36 30 32.9 u 448
2011-10-22 18:02:12 C 21 44 31.41 +34 29 46.4 u 240
2011-10-22 18:14:28 C 21 44 28.20 +34 29 20.3 u 240
2011-10-22 18:18:33 C 21 44 27.23 +34 29 11.3 u 240
2011-10-22 18:33:53 C 21 44 23.27 +34 28 37.9 u 240
2011-10-22 18:37:58 C 21 44 22.24 +34 28 29.1 u 240
2011-10-22 18:42:03 C 21 44 21.13 +34 28 20.5 u 240
2011-10-22 18:44:06 C 21 44 20.59 +34 28 15.7 u 240
2011-10-22 18:46:09 C 21 44 20.05 +34 28 11.0 u 240
2011-10-22 18:48:11 C 21 44 19.51 +34 28 06.4 u 240
2013-06-10 10:10:28 C 22 06 24.36 +04 29 04.4 o 291
2013-06-10 10:20:53 C 22 06 24.08 +04 29 11.3 o 291
2013-06-10 10:31:19 C 22 06 23.81 +04 29 18.9 o 291
2013-07-17 12:39:05 C 21 03 11.374 +10 45 48.83 L F51
2013-07-17 12:57:58 C 21 03 09.139 +10 45 49.03 L F51
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-06-03 11:30:00 69808.8673 5 Hz 2380 -1 -1
2014-06-20 01:34:00 -242833.0573 0.3 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)