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
2014-06-18 22:50:27 C 15 48 40.74 +20 22 12.1 q 585
2014-06-18 22:58:35 C 15 48 42.19 +20 21 30.2 q 585
2014-06-18 23:00:57 C 15 48 42.61 +20 21 18.3 q 585
2014-06-18 23:01:31 C 15 48 42.69 +20 21 14.7 q 585
2014-06-18 23:03:20 C 15 48 43.04 +20 21 06.0 q 585
2014-06-18 23:05:42 C 15 48 43.49 +20 20 54.0 q 585
2014-06-18 23:06:16 C 15 48 43.60 +20 20 51.1 q 585
2014-06-18 23:08:05 C 15 48 43.87 +20 20 41.5 q 585
2014-06-18 23:11:55 C 15 48 44.56 +20 20 22.4 q 585
2014-06-18 23:12:28 C 15 48 44.66 +20 20 19.1 q 585
2014-06-18 23:14:52 C 15 48 45.07 +20 20 07.0 q 585
2014-06-18 23:16:41 C 15 48 45.41 +20 19 57.5 q 585
2014-06-18 23:17:13 C 15 48 45.53 +20 19 53.8 q 585
2014-06-18 23:19:02 C 15 48 45.82 +20 19 45.6 q 585
2014-06-18 23:19:37 C 15 48 45.93 +20 19 42.8 q 585
2014-06-18 23:21:26 C 15 48 46.26 +20 19 33.4 q 585
2014-06-18 23:21:59 C 15 48 46.35 +20 19 30.6 q 585
2014-06-18 23:26:21 C 15 48 47.15 +20 19 08.1 q 585
2014-06-18 23:26:55 C 15 48 47.25 +20 19 05.2 q 585
2014-06-18 23:28:44 C 15 48 47.56 +20 18 55.7 q 585
2014-06-18 23:29:17 C 15 48 47.70 +20 18 52.8 q 585
2014-06-18 23:31:06 C 15 48 48.00 +20 18 43.9 q 585
2014-06-18 23:31:39 C 15 48 48.09 +20 18 41.2 q 585
2014-06-18 23:33:29 C 15 48 48.42 +20 18 31.8 q 585
2014-06-18 23:34:03 C 15 48 48.53 +20 18 28.7 q 585
2014-06-18 23:35:51 C 15 48 48.84 +20 18 19.5 q 585
2014-06-18 23:36:24 C 15 48 48.95 +20 18 16.8 q 585
2014-06-18 23:41:19 C 15 48 49.79 +20 17 52.2 q 585
2014-06-18 23:41:52 C 15 48 49.90 +20 17 48.8 q 585
2014-06-18 23:43:41 C 15 48 50.19 +20 17 39.8 q 585
2014-06-18 23:44:14 C 15 48 50.30 +20 17 35.7 q 585
2014-06-18 23:46:03 C 15 48 50.68 +20 17 27.3 q 585
2014-06-18 23:46:38 C 15 48 50.77 +20 17 24.6 q 585
2014-06-18 23:48:27 C 15 48 51.07 +20 17 15.5 q 585
2014-06-18 23:48:59 C 15 48 51.17 +20 17 14.9 q 585
2014-06-18 23:50:48 C 15 48 51.50 +20 17 03.1 q 585
2014-06-18 23:51:23 C 15 48 51.58 +20 17 01.1 q 585
2014-06-19 09:41:57 C 15 50 40.263 +19 29 48.57 L F51
2014-06-19 10:01:38 C 15 50 43.276 +19 28 14.49 L F51
2014-06-19 10:21:25 C 15 50 46.284 +19 26 40.62 L F51
2014-06-19 16:31:30 C 15 51 48.24 +18 57 48.6 o 300
2014-06-19 16:34:32 C 15 51 48.69 +18 57 35.0 o 300
2014-06-19 16:37:25 C 15 51 49.14 +18 57 21.4 o 300
2014-06-19 16:40:20 C 15 51 49.60 +18 57 07.7 o 300
2014-06-19 16:46:15 C 15 51 50.51 +18 56 40.8 o 300
2014-06-20 04:49:47 C 15 53 48.74 +18 04 19.3 q H45
2014-06-20 04:51:36 C 15 53 48.93 +18 04 11.5 q H45
2014-06-20 04:53:17 C 15 53 49.16 +18 04 04.4 q H45
2014-06-20 04:54:49 C 15 53 49.38 +18 03 57.8 q H45
2014-06-20 04:56:30 C 15 53 49.60 +18 03 51.1 q 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)