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
2013-07-17 13:16:33 C 21 03 06.944 +10 45 49.07 L F51
2013-07-17 13:35:19 C 21 03 04.724 +10 45 49.10 L F51
2014-06-10 19:33:06 C 13 15 22.40 +57 13 12.3 q 089
2014-06-10 19:36:05 C 13 15 30.80 +57 12 20.2 q 089
2014-06-10 19:40:04 C 13 15 44.85 +57 11 26.6 q K90
2014-06-10 20:03:58 C 13 16 51.23 +57 04 29.8 16.4 q K90
2014-06-10 20:13:05 C 13 17 16.34 +57 01 50.9 16.1 q K90
2014-06-10 20:31:10 C 13 18 06.06 +56 56 33.4 16.1 q K90
2014-06-10 20:49:56 C 13 18 57.46 +56 51 02.0 15.9 q K90
2014-06-10 21:24:27 C 13 20 30.97 +56 40 51.3 15.7 q K90
2014-06-10 21:42:01 C 13 21 18.28 +56 35 38.4 q K90
2014-06-10 21:55:21 C 13 21 54.13 +56 31 39.2 15.8 q K90
2014-06-10 22:32:23 C 13 23 32.75 +56 20 34.7 15.7 q K90
2014-06-11 08:01:24 S 13 46 54.90 +53 29 59.9 L C51
2014-06-11 19:58:41 C 14 09 47.09 +49 55 16.3 15.9 q K90
2014-06-11 20:23:07 C 14 10 27.01 +49 47 57.5 16.2 q K90
2014-06-11 20:33:58 C 14 10 44.60 +49 44 43.5 16.3 q K90
2014-06-11 20:51:29 C 14 11 12.93 +49 39 28.7 16.1 q K90
2014-06-11 21:01:14 C 14 11 28.63 +49 36 33.3 16.0 q K90
2014-06-11 21:04:32 C 14 11 33.92 +49 35 34.7 16.3 q K90
2014-06-11 21:07:30 C 14 11 38.27 +49 34 32.2 t L04
2014-06-11 21:12:03 C 14 11 45.56 +49 33 10.6 t L04
2014-06-11 21:15:22 C 14 11 51.30 +49 32 19.1 16.2 q K90
2014-06-11 21:22:14 C 14 12 01.99 +49 30 06.9 t L04
2014-06-11 21:25:47 C 14 12 07.61 +49 29 03.2 t L04
2014-06-11 21:30:04 C 14 12 14.82 +49 27 55.8 16.1 q K90
2014-06-11 21:30:21 C 14 12 14.90 +49 27 41.6 t L04
2014-06-11 21:33:45 C 14 12 20.39 +49 26 39.9 t L04
2014-06-11 21:37:14 C 14 12 25.94 +49 25 37.3 t L04
2014-06-11 21:44:17 C 14 12 37.48 +49 23 39.2 16.2 q K90
2014-06-11 21:58:40 C 14 13 00.29 +49 19 20.9 16.3 q K90
2014-06-11 22:09:27 C 14 13 17.29 +49 16 07.7 16.0 q K90
2014-06-11 22:30:44 C 14 13 50.92 +49 09 44.4 16.2 q K90
2014-06-11 22:41:26 C 14 14 07.68 +49 06 31.9 16.4 q K90
2014-06-11 23:00:48 C 14 14 37.97 +49 00 43.4 16.4 q K90
2014-06-12 03:54:17 C 14 22 11.00 +47 36 11.9 q H45
2014-06-12 03:55:07 C 14 22 12.14 +47 35 57.6 q H45
2014-06-12 03:55:56 C 14 22 13.30 +47 35 42.7 q H45
2014-06-12 03:56:47 C 14 22 14.51 +47 35 28.0 q H45
2014-06-12 03:57:36 C 14 22 15.56 +47 35 14.1 q H45
2014-06-12 03:58:47 C 14 22 17.25 +47 34 53.4 q H45
2014-06-12 03:59:32 C 14 22 18.29 +47 34 40.3 q H45
2014-06-12 04:01:12 C 14 22 20.54 +47 34 11.7 q H45
2014-06-12 04:02:11 C 14 22 21.96 +47 33 54.2 q H45
2014-06-12 04:03:16 C 14 22 23.42 +47 33 35.4 q H45
2014-06-13 20:07:34 C 15 03 24.11 +37 21 47.2 t L04
2014-06-13 20:15:30 C 15 03 29.52 +37 20 03.2 t L04
2014-06-13 20:19:20 C 15 03 32.15 +37 19 12.9 t L04
2014-06-13 20:21:23 C 15 03 33.54 +37 18 46.1 t L04
2014-06-13 20:23:15 C 15 03 34.81 +37 18 22.1 t L04
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)