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
2020-10-20 03:07:53 C 21 39 43.66 +24 21 08.7 V 703
2020-10-21 06:31:16 C 21 36 02.24 +23 29 43.0 V T05
2020-10-21 06:35:58 C 21 36 01.49 +23 29 33.9 V T05
2020-10-21 06:43:49 C 21 36 00.47 +23 29 19.0 V T05
2020-10-21 06:59:13 C 21 35 58.25 +23 28 50.4 V T05
2020-10-23 07:38:10 C 21 29 41.82 +21 55 00.1 V T08
2020-10-23 07:47:32 C 21 29 40.61 +21 54 41.4 V T08
2020-10-23 07:52:53 C 21 29 39.95 +21 54 31.1 V T08
2020-10-23 08:07:32 C 21 29 37.98 +21 54 02.6 V T08
2021-06-21 13:15:53 C 22 58 12.227 +10 26 23.40 U F51
2021-06-21 13:33:45 C 22 58 12.417 +10 26 34.75 U F51
2021-06-21 13:51:30 C 22 58 12.622 +10 26 46.20 U F51
2021-06-21 14:09:21 C 22 58 12.800 +10 26 57.52 U F51
2021-07-08 12:25:06 C 22 57 34.336 +14 31 42.48 U F51
2021-07-08 12:41:36 C 22 57 33.965 +14 31 52.02 U F51
2021-07-08 12:58:04 C 22 57 33.642 +14 32 00.73 U F51
2021-09-10 05:54:36 C 20 57 27.543 +12 39 50.51 U F52
2021-09-10 06:10:18 C 20 57 26.249 +12 39 37.93 U F52
2021-09-10 06:41:41 C 20 57 23.664 +12 39 12.63 U F52
2021-10-09 01:03:35 C 20 30 29.37 +03 39 20.0 u H21
2021-10-09 01:31:23 C 20 30 29.29 +03 39 02.6 u H21
2022-06-30 10:25:23 C 21 24 56.007 +08 32 33.50 U F52
2022-06-30 10:44:48 C 21 24 54.054 +08 32 41.00 U F52
2022-06-30 11:01:08 C 21 24 52.427 +08 32 47.48 U F52
2022-07-23 08:26:29 C 20 20 39.350 +09 07 41.58 U F52
2022-07-23 08:37:25 C 20 20 37.959 +09 07 38.58 U F52
2022-07-23 08:48:26 C 20 20 36.561 +09 07 35.66 U F52
2023-06-19 04:33:52 C 12 04 50.365 +16 11 42.94 V 703
2023-06-19 04:35:38 C 12 04 51.658 +16 11 39.77 V 703
2023-06-19 04:37:24 C 12 04 52.921 +16 11 35.92 V 703
2023-06-23 18:45:34 C 13 10 52.286 +12 25 43.03 V M22
2023-06-23 18:51:28 C 13 10 55.356 +12 25 31.55 V M22
2023-06-23 19:07:02 C 13 11 02.914 +12 24 58.90 V M22
2023-06-23 19:24:22 C 13 11 11.611 +12 24 24.05 V M22
2023-07-08 05:06:58 C 14 59 56.558 +03 38 29.76 V G96
2023-07-08 05:16:15 C 14 59 58.258 +03 38 20.00 V G96
2023-07-08 05:23:37 C 14 59 59.618 +03 38 12.12 V G96
2023-07-08 05:30:59 C 15 00 00.972 +03 38 04.49 V G96
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)