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
2002-09-30 06:14:20 C 00 38 35.98 +48 01 37.3 19.5 c 704
2002-09-30 06:37:03 C 00 38 32.24 +48 01 59.4 20.1 c 704
2002-09-30 06:59:13 C 00 38 28.79 +48 02 17.5 20.0 c 704
2002-09-30 07:21:21 C 00 38 24.95 +48 02 37.9 19.3 c 704
2002-09-30 07:43:27 C 00 38 21.32 +48 02 56.6 19.9 c 704
2002-09-30 23:08:08 C 00 35 54.72 +48 16 19.4 d 557
2002-09-30 23:11:19 C 00 35 54.18 +48 16 22.3 d 557
2002-10-01 02:03:47 C 00 35 28.04 +48 18 49.4 d 734
2002-10-01 02:23:33 C 00 35 24.61 +48 19 05.5 d 734
2002-10-01 20:40:19 C 00 32 20.12 +48 34 47.8 c 587
2002-10-01 20:43:56 C 00 32 19.45 +48 34 50.6 c 587
2002-10-01 20:47:32 C 00 32 18.79 +48 34 54.1 c 587
2002-10-01 20:51:10 C 00 32 18.23 +48 34 56.5 c 587
2002-10-01 23:35:14 C 00 31 48.31 +48 37 16.7 d 118
2002-10-01 23:46:02 C 00 31 46.32 +48 37 25.5 d 118
2002-10-01 23:50:59 C 00 31 45.44 +48 37 30.0 d 118
2002-10-04 22:11:32 C 00 18 21.82 +49 33 36.1 d 540
2002-10-04 22:22:24 C 00 18 19.41 +49 33 44.1 d 540
2002-10-04 22:36:53 C 00 18 16.33 +49 33 55.3 d 540
2002-10-05 03:20:52 C 00 17 18.68 +49 37 27.3 c 715
2002-10-05 03:25:11 C 00 17 17.72 +49 37 30.6 c 715
2002-10-05 03:28:26 C 00 17 17.01 +49 37 33.1 c 715
2002-10-05 08:52:16 C 00 16 05.41 +49 41 34.1 c 670
2002-10-05 08:53:21 C 00 16 05.18 +49 41 34.6 c 670
2002-10-05 21:02:30 C 00 13 28.59 +49 50 10.1 m 620
2002-10-05 21:06:12 C 00 13 27.94 +49 50 12.5 m 620
2002-10-05 21:09:50 C 00 13 27.20 +49 50 12.8 m 620
2002-10-10 09:12:02 C 23 46 05.01 +50 51 41.8 c 649
2002-10-10 09:16:15 C 23 46 03.79 +50 51 43.1 c 649
2002-10-10 09:20:29 C 23 46 02.56 +50 51 44.6 c 649
2002-10-15 08:16:16 C 23 07 18.82 +51 10 03.6 c 649
2002-10-15 08:27:10 C 23 07 14.78 +51 10 00.5 c 649
2002-10-20 03:44:49 C 22 20 51.15 +50 04 11.6 c 448
2002-10-20 04:02:36 C 22 20 43.07 +50 03 52.4 c 448
2002-10-20 04:11:11 C 22 20 39.16 +50 03 43.4 c 448
2002-10-21 05:04:09 C 22 09 34.87 +49 33 57.5 c 649
2002-10-21 05:07:50 C 22 09 33.15 +49 33 52.5 c 649
2002-10-21 05:11:24 C 22 09 31.48 +49 33 47.5 c 649
2002-10-22 18:16:41 C 21 52 35.02 +48 37 22.8 d 118
2002-10-22 18:26:40 C 21 52 29.93 +48 37 03.7 d 118
2002-10-22 18:31:30 C 21 52 27.61 +48 36 55.4 d 118
2002-10-24 17:12:03 C 21 30 23.34 +47 02 38.4 d 118
2002-10-24 17:21:25 C 21 30 18.63 +47 02 17.1 d 118
2002-10-24 17:24:30 C 21 30 17.15 +47 02 10.6 d 118
2002-10-24 17:26:01 C 21 30 16.42 +47 02 06.9 d 118
2002-10-26 21:30:55 C 21 05 02.56 +44 42 42.7 c 587
2002-10-26 21:33:31 C 21 05 00.88 +44 42 36.9 c 587
2002-10-26 21:36:06 C 21 04 59.87 +44 42 27.2 c 587
2002-10-28 02:49:12 C 20 50 50.76 +43 07 48.7 c 670
2002-10-31 02:12:33 C 20 16 34.44 +38 22 34.6 c 448
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)