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
2005-06-11 09:04:45 C 19 47 53.17 +24 30 19.5 r H45
2005-06-11 09:06:40 C 19 47 51.45 +24 30 12.3 r H45
2005-06-11 09:10:29 C 19 47 47.86 +24 29 57.7 r H45
2005-06-11 22:12:55 C 19 36 49.56 +23 40 52.0 c A50
2005-06-11 22:13:16 C 19 36 49.24 +23 40 51.1 c A50
2005-06-11 22:15:46 C 19 36 47.19 +23 40 41.5 c A50
2005-06-11 22:16:07 C 19 36 47.04 +23 40 40.7 c A50
2005-06-11 22:16:27 C 19 36 46.69 +23 40 39.6 c A50
2005-06-12 23:04:21 C 19 18 07.84 +22 10 06.2 i 071
2005-06-12 23:06:23 C 19 18 06.45 +22 09 59.2 i 071
2005-06-13 23:05:45 C 19 02 41.38 +20 45 59.2 c 127
2005-06-13 23:08:45 C 19 02 39.50 +20 45 49.2 c 127
2005-06-13 23:14:49 C 19 02 35.79 +20 45 28.7 c 127
2005-06-13 23:18:00 C 19 02 33.89 +20 45 17.9 c 127
2005-06-14 06:13:06 C 18 58 32.18 +20 22 24.7 r 649
2005-06-14 06:15:09 C 18 58 30.96 +20 22 17.9 r 649
2005-06-14 06:23:25 C 18 58 26.07 +20 21 50.8 r 649
2005-06-14 06:25:29 C 18 58 24.84 +20 21 44.1 r 649
2005-06-15 05:07:41 C 18 46 20.07 +19 08 51.4 r 932
2005-06-15 05:27:33 C 18 46 09.85 +19 07 50.3 r 932
2005-06-15 05:36:36 C 18 46 05.19 +19 07 22.4 r 932
2005-06-15 08:09:54 C 18 44 48.40 +18 59 40.4 r H45
2005-06-15 08:13:18 C 18 44 46.65 +18 59 30.0 r H45
2005-06-15 08:15:50 C 18 44 45.45 +18 59 22.0 r H45
2005-06-15 08:17:39 C 18 44 44.46 +18 59 15.3 r H45
2005-06-15 08:19:57 C 18 44 43.33 +18 59 09.3 r H45
2005-06-18 01:13:12 C 18 18 27.13 +16 00 34.2 r J87
2005-06-18 01:16:01 C 18 18 26.13 +16 00 27.3 r J87
2005-06-18 01:18:50 C 18 18 25.14 +16 00 20.2 r J87
2005-06-19 21:35:52 C 18 05 12.41 +14 19 17.7 o 198
2005-06-19 21:40:23 C 18 05 11.17 +14 19 08.2 o 198
2005-06-19 21:43:43 C 18 05 10.24 +14 19 01.2 o 198
2005-06-19 21:46:45 C 18 05 09.40 +14 18 54.9 o 198
2005-06-19 21:48:26 C 18 05 08.93 +14 18 51.4 o 198
2005-06-20 08:46:33 C 18 02 15.25 +13 56 17.3 r H45
2005-06-20 08:50:47 C 18 02 13.99 +13 56 07.5 r H45
2005-06-20 08:53:00 C 18 02 13.39 +13 56 03.8 r H45
2005-06-20 08:55:33 C 18 02 12.76 +13 55 59.4 r H45
2005-06-20 08:57:38 C 18 02 12.25 +13 55 55.2 r H45
2005-06-22 21:39:42 C 17 49 01.33 +12 03 06.4 o 198
2005-06-22 21:42:18 C 17 49 00.81 +12 03 01.8 o 198
2005-06-22 21:44:53 C 17 49 00.29 +12 02 57.3 o 198
2005-06-22 21:46:28 C 17 48 59.97 +12 02 54.5 o 198
2005-06-22 21:50:37 C 17 48 59.15 +12 02 47.3 o 198
2005-06-25 22:08:23 C 17 37 18.62 +10 11 46.9 c A50
2005-06-25 22:09:31 C 17 37 18.48 +10 11 47.1 c A50
2005-06-25 22:10:37 C 17 37 18.27 +10 11 45.2 c A50
2005-06-25 22:11:42 C 17 37 18.13 +10 11 43.6 c A50
2005-06-25 22:12:50 C 17 37 17.96 +10 11 41.8 c A50
2005-06-25 22:13:55 C 17 37 17.78 +10 11 40.4 c A50
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)