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
2014-06-20 04:57:50 C 15 53 49.76 +18 03 45.1 q H45
2014-06-20 04:59:51 C 15 53 50.03 +18 03 36.8 q H45
2014-06-20 05:00:58 C 15 53 50.17 +18 03 32.2 q H45
2014-06-20 21:53:14 C 15 56 17.49 +16 56 15.1 q Z81
2014-06-20 22:32:09 C 15 56 22.06 +16 53 47.7 q Z81
2014-06-20 23:07:31 C 15 56 26.25 +16 51 33.7 q Z81
2014-06-21 21:14:53 C 15 59 16.28 +15 33 09.8 q Z81
2014-06-21 21:51:50 C 15 59 20.06 +15 31 07.1 q Z81
2014-06-21 22:49:56 C 15 59 25.90 +15 27 54.2 q Z81
2014-06-22 23:32:05 C 16 02 07.65 +14 11 04.4 q 160
2014-06-22 23:34:23 C 16 02 07.88 +14 10 57.5 q 160
2014-06-22 23:36:38 C 16 02 08.07 +14 10 50.9 q 160
2014-06-22 23:38:55 C 16 02 08.29 +14 10 44.3 q 160
2014-06-23 04:43:24 C 16 02 40.15 +13 56 18.8 q 850
2014-06-23 05:15:53 C 16 02 42.93 +13 54 45.5 q 850
2014-06-23 05:48:25 C 16 02 45.72 +13 53 11.9 q 850
2014-06-23 06:20:57 C 16 02 48.63 +13 51 40.3 q 850
2014-06-24 08:14:29 C 16 05 13.94 +12 42 56.2 q 703
2014-06-24 08:27:23 C 16 05 14.86 +12 42 22.2 q 703
2014-06-24 08:40:20 C 16 05 15.94 +12 41 50.7 q 703
2014-06-24 08:53:13 C 16 05 16.97 +12 41 17.9 q 703
2014-06-26 00:59:49 C 16 08 33.13 +11 09 24.8 q G40
2014-06-26 01:20:19 C 16 08 34.43 +11 08 41.1 q G40
2014-06-26 01:30:23 C 16 08 35.07 +11 08 19.6 q G40
2014-06-26 01:50:59 C 16 08 36.40 +11 07 35.8 q G40
2014-06-27 21:03:23 C 16 11 39.21 +09 43 39.5 q Z81
2014-06-27 21:42:35 C 16 11 41.33 +09 42 29.6 q Z81
2014-06-27 22:46:07 C 16 11 44.72 +09 40 35.7 q Z81
2014-06-29 21:53:34 C 16 14 36.33 +08 22 47.8 q Z81
2014-06-29 22:54:00 C 16 14 39.13 +08 21 14.8 q Z81
2014-06-29 23:41:10 C 16 14 41.38 +08 20 02.7 q Z81
2014-07-02 22:37:38 C 16 18 26.87 +06 42 02.4 q 160
2014-07-02 22:40:40 C 16 18 27.00 +06 41 58.5 q 160
2014-07-02 22:43:39 C 16 18 27.15 +06 41 54.6 q 160
2014-07-06 02:54:56 C 16 22 04.15 +05 14 18.0 q I15
2014-07-06 03:03:10 C 16 22 04.46 +05 14 09.5 q I15
2014-07-06 03:11:26 C 16 22 04.78 +05 14 01.3 q I15
2014-07-29 07:36:55 C 16 46 07.633 -01 32 11.45 L F51
2014-07-29 07:54:19 C 16 46 08.356 -01 32 20.89 L F51
2014-07-29 08:11:43 C 16 46 09.080 -01 32 30.48 L F51
2014-07-29 08:29:05 C 16 46 09.810 -01 32 39.93 L F51
2020-08-17 10:57:06 C 00 35 13.730 +30 25 03.73 U F52
2020-08-17 11:14:35 C 00 35 13.402 +30 25 15.82 U F52
2020-08-17 11:49:45 C 00 35 12.729 +30 25 40.03 U F52
2020-08-28 08:14:33 C 00 27 04.13 +33 14 07.7 V G96
2020-08-28 08:22:05 C 00 27 03.72 +33 14 12.6 V G96
2020-08-28 08:29:39 C 00 27 03.32 +33 14 16.8 V G96
2020-08-28 08:37:13 C 00 27 02.92 +33 14 21.6 V G96
2020-08-29 10:36:33 C 00 25 44.805 +33 29 52.50 U F51
2020-08-29 10:49:38 C 00 25 44.052 +33 30 00.42 U F51
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)