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
2002-10-31 02:20:51 C 20 16 30.37 +38 21 57.1 c 448
2002-10-31 02:29:17 C 20 16 26.26 +38 21 18.3 c 448
2003-08-24 21:06:06 C 22 14 05.63 +21 14 43.6 c 246
2003-08-24 21:08:02 C 22 14 05.38 +21 14 42.6 c 246
2003-08-24 21:09:39 C 22 14 05.20 +21 14 42.3 c 246
2003-08-24 21:12:44 C 22 14 04.92 +21 14 40.0 c 246
2003-08-25 21:07:51 C 22 11 28.59 +21 07 34.7 c 246
2003-08-25 21:10:51 C 22 11 28.31 +21 07 34.0 c 246
2003-08-25 22:28:55 C 22 11 19.53 +21 07 10.7 c 246
2003-08-25 22:32:05 C 22 11 19.23 +21 07 09.1 c 246
2003-08-25 22:36:20 C 22 11 18.89 +21 07 06.5 c 246
2003-08-30 05:17:32 C 21 59 58.27 +20 26 55.3 d 291
2003-08-30 05:24:28 C 21 59 57.44 +20 26 51.8 d 291
2003-08-30 05:31:07 C 21 59 56.69 +20 26 49.1 d 291
2003-09-30 03:07:16 C 20 55 39.70 +10 31 47.8 d 291
2003-09-30 03:13:29 C 20 55 39.37 +10 31 42.8 d 291
2004-05-24 10:57:25 C 22 11 12.28 -00 02 40.7 d 291
2004-05-24 11:08:46 C 22 11 12.52 -00 02 31.1 d 291
2005-06-05 01:05:20 C 23 00 55.21 +28 57 21.6 r 557
2005-06-05 01:05:48 C 23 00 54.61 +28 57 21.7 r 557
2005-06-05 01:06:14 C 23 00 54.01 +28 57 22.8 r 557
2005-06-05 01:06:41 C 23 00 53.31 +28 57 23.9 r 557
2005-06-05 01:07:06 C 23 00 52.61 +28 57 25.3 r 557
2005-06-05 01:07:59 C 23 00 51.43 +28 57 26.9 r 557
2005-06-05 01:08:52 C 23 00 50.08 +28 57 30.3 r 557
2005-06-05 01:10:12 C 23 00 48.17 +28 57 32.6 r 557
2005-06-05 01:10:38 C 23 00 47.54 +28 57 32.7 r 557
2005-06-05 09:54:53 C 22 48 05.92 +29 13 10.4 d 291
2005-06-05 10:06:55 C 22 47 48.00 +29 13 30.2 d 291
2005-06-05 10:19:25 C 22 47 28.68 +29 13 51.6 o H06
2005-06-05 10:22:08 C 22 47 24.59 +29 13 55.9 o H06
2005-06-05 10:24:42 C 22 47 20.84 +29 14 00.3 o H06
2005-06-05 10:28:04 C 22 47 15.71 +29 14 05.9 o H06
2005-06-05 10:31:02 C 22 47 11.15 +29 14 09.4 o H06
2005-06-05 10:41:19 C 22 46 56.62 +29 14 25.9 d 291
2005-06-06 06:23:40 C 22 17 58.55 +29 29 45.2 r 649
2005-06-06 06:24:48 C 22 17 56.85 +29 29 46.1 r 649
2005-06-06 06:25:57 C 22 17 55.16 +29 29 46.6 r 649
2005-06-06 06:27:06 C 22 17 53.46 +29 29 46.8 r 649
2005-06-06 06:28:15 C 22 17 51.75 +29 29 47.3 r 649
2005-06-06 06:29:24 C 22 17 50.06 +29 29 47.9 r 649
2005-06-09 00:51:51 C 20 46 44.21 +27 45 34.9 r J95
2005-06-09 00:57:12 C 20 46 37.61 +27 45 19.9 r J95
2005-06-09 01:01:12 C 20 46 32.68 +27 45 08.2 r J95
2005-06-09 23:51:27 C 20 20 24.66 +26 30 50.9 o 151
2005-06-09 23:53:59 C 20 20 21.93 +26 30 43.0 o 151
2005-06-09 23:55:03 C 20 20 20.69 +26 30 39.3 o 151
2005-06-09 23:56:14 C 20 20 19.43 +26 30 35.2 o 151
2005-06-11 09:00:43 C 19 47 56.75 +24 30 34.9 r H45
2005-06-11 09:02:37 C 19 47 55.13 +24 30 28.8 r H45
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)