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
2020-08-29 11:02:57 C 00 25 43.299 +33 30 08.41 U F51
2020-08-29 11:16:04 C 00 25 42.570 +33 30 16.34 U F51
2020-09-04 11:11:11 C 00 16 33.927 +34 48 46.32 U F51
2020-09-04 11:26:22 C 00 16 32.695 +34 48 53.82 U F51
2020-09-04 11:41:40 C 00 16 31.462 +34 49 01.53 U F51
2020-09-09 09:32:44 C 00 06 25.564 +35 40 40.43 U F52
2020-09-09 09:44:47 C 00 06 24.338 +35 40 45.08 U F52
2020-09-09 09:52:18 C 00 06 23.562 +35 40 48.10 U F51
2020-09-09 10:05:25 C 00 06 22.240 +35 40 53.22 U F51
2020-09-09 10:09:00 C 00 06 21.845 +35 40 54.92 U F52
2020-09-09 10:18:36 C 00 06 20.891 +35 40 58.26 U F51
2020-09-10 10:23:28 C 00 03 58.140 +35 49 38.75 U F52
2020-09-10 10:38:16 C 00 03 56.557 +35 49 43.84 U F52
2020-09-10 10:49:02 C 00 03 55.425 +35 49 47.65 U F51
2020-09-10 10:53:06 C 00 03 54.988 +35 49 49.12 U F52
2020-09-10 11:08:00 C 00 03 53.403 +35 49 54.18 U F52
2020-09-10 11:09:39 C 00 03 53.205 +35 49 54.73 U F51
2020-09-11 11:39:37 C 00 01 20.990 +35 57 56.68 U F51
2020-09-11 11:52:48 C 00 01 19.523 +35 58 00.67 U F51
2020-09-11 12:05:57 C 00 01 18.055 +35 58 04.72 U F51
2020-09-11 12:19:06 C 00 01 16.586 +35 58 08.71 U F51
2020-09-17 07:03:28 C 23 44 49.49 +36 26 09.4 V G96
2020-09-17 07:13:05 C 23 44 48.17 +36 26 10.2 V G96
2020-09-17 07:22:40 C 23 44 46.87 +36 26 11.1 V G96
2020-09-28 05:35:57 C 23 05 08.96 +35 29 26.6 V G96
2020-09-28 05:44:38 C 23 05 07.43 +35 29 21.7 V G96
2020-09-28 05:52:58 C 23 05 06.00 +35 29 17.3 V G96
2020-09-28 06:01:12 C 23 05 04.57 +35 29 12.4 V G96
2020-10-03 10:25:38 C 22 43 52.073 +33 58 16.97 U F52
2020-10-03 10:44:16 C 22 43 48.734 +33 57 59.40 U F52
2020-10-03 11:02:56 C 22 43 45.430 +33 57 41.78 U F52
2020-10-06 05:44:14 C 22 32 16.85 +32 50 13.1 V G96
2020-10-06 05:51:42 C 22 32 15.50 +32 50 04.8 V G96
2020-10-06 05:59:11 C 22 32 14.18 +32 49 56.4 V G96
2020-10-06 06:06:40 C 22 32 12.84 +32 49 47.8 V G96
2020-10-09 05:46:07 C 22 20 02.636 +31 23 09.95 U F51
2020-10-09 06:04:16 C 22 19 59.455 +31 22 46.62 U F51
2020-10-09 06:22:25 C 22 19 56.269 +31 22 23.12 U F51
2020-10-09 06:40:43 C 22 19 53.048 +31 21 59.45 U F51
2020-10-11 18:48:16 C 22 09 55.60 +29 58 12.0 V C95
2020-10-11 19:06:48 C 22 09 52.49 +29 57 44.7 V C95
2020-10-12 03:11:45 C 22 08 33.59 +29 45 53.4 V G96
2020-10-12 03:19:58 C 22 08 32.21 +29 45 41.3 V G96
2020-10-12 03:28:10 C 22 08 30.83 +29 45 29.1 V G96
2020-10-12 03:36:21 C 22 08 29.43 +29 45 17.0 V G96
2020-10-14 03:28:52 C 22 00 51.26 +28 31 16.1 V 703
2020-10-14 03:36:22 C 22 00 49.98 +28 31 03.9 V 703
2020-10-14 03:43:53 C 22 00 48.77 +28 30 53.0 V 703
2020-10-20 02:51:32 C 21 39 45.95 +24 21 39.5 V 703
2020-10-20 02:59:43 C 21 39 44.85 +24 21 24.1 V 703
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)