333478 (2004 SD20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4649177120 ± 5.54e-08
Semi-major axis (a)0.8754348717 AU ± 5.79e-10
Inclination (i)21.32997588° ± 5.61e-06
Long. of Asc. Node (Ω)46.54777428° ± 1.88e-05
Arg. of Perihelion (ω)94.50864611° ± 1.70e-05
Mean Anomaly (M)200.11756506° ± 9.25e-06
Mean Motion (n)1.2033071936°/day ± 1.19e-09
Perihelion dist (q)0.46842969 AU ± 4.85e-08
Aphelion dist (Q)1.28244005 AU ± 4.85e-08
Orbital Period0.81909781 yr ± 8.12e-10
Physical Parameters
H (abs. magnitude)18.05
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.259″
Uncertainty0
Orbit TypeAten
MOID0.181206 AU
Observations Used203
Oppositions5
Arc Total2004-2025
First Observation Used2004-09-21
Last Observation Used2025-09-17
Observations (231)
Date Type RA Dec Mag Band Observatory
2022-08-25 07:37:15 C 03 03 49.246 -54 28 14.27 V W68
2022-08-25 07:41:50 C 03 03 49.226 -54 28 21.97 V W68
2022-08-27 03:24:22 C 03 04 36.394 -55 39 55.73 V M22
2022-08-27 03:28:57 C 03 04 36.120 -55 40 02.82 V M22
2022-08-27 03:36:58 C 03 04 36.199 -55 40 15.42 V M22
2022-08-27 03:42:22 C 03 04 36.206 -55 40 24.78 V M22
2022-08-29 06:54:59 C 03 05 09.876 -57 06 37.58 V W68
2022-08-29 06:59:33 C 03 05 09.850 -57 06 45.76 V W68
2022-08-29 07:08:02 C 03 05 09.854 -57 07 00.88 V W68
2022-08-29 07:30:14 C 03 05 09.818 -57 07 38.89 V W68
2022-09-03 23:30:29 C 03 04 00.919 -61 08 38.58 V M22
2022-09-04 00:03:11 C 03 03 59.834 -61 09 40.07 V M22
2022-09-04 00:07:44 C 03 03 59.734 -61 09 48.71 V M22
2022-09-04 00:12:17 C 03 03 59.508 -61 09 57.38 V M22
2022-09-10 07:05:12 C 02 56 16.572 -65 54 57.71 V W68
2022-09-10 07:08:28 C 02 56 16.373 -65 55 03.47 V W68
2022-09-10 07:46:53 C 02 56 12.725 -65 56 18.82 V W68
2022-09-10 07:51:27 C 02 56 12.182 -65 56 28.79 V W68
2022-09-16 00:41:48 C 02 39 04.699 -70 24 48.35 V M22
2022-09-16 00:44:25 C 02 39 04.212 -70 24 53.46 V M22
2022-09-16 00:48:22 C 02 39 03.449 -70 25 01.31 V M22
2022-09-16 00:58:48 C 02 39 01.462 -70 25 21.79 V M22
2022-09-22 05:27:32 C 01 58 50.275 -75 09 20.34 V W68
2022-09-22 05:31:49 C 01 58 48.583 -75 09 28.58 V W68
2022-09-22 05:38:30 C 01 58 45.770 -75 09 40.79 V W68
2022-09-22 06:12:53 C 01 58 31.519 -75 10 42.92 V W68
2022-09-26 05:21:35 C 01 10 27.115 -77 46 40.66 V W68
2022-09-26 05:26:09 C 01 10 24.098 -77 46 47.28 V W68
2022-09-26 05:38:37 C 01 10 15.763 -77 47 04.92 V W68
2022-09-26 05:52:46 C 01 10 06.389 -77 47 25.19 V W68
2022-09-27 22:41:20 C 00 41 37.418 -78 40 00.08 V M22
2022-09-27 22:48:43 C 00 41 31.639 -78 40 08.54 V M22
2022-09-27 22:55:19 C 00 41 26.330 -78 40 15.96 V M22
2022-09-27 23:26:29 S 00 41 03.163 -78 40 31.91 L C51
2022-09-27 23:35:26 C 00 40 54.461 -78 41 01.25 V M22
2022-09-28 02:34:26 S 00 38 38.923 -78 44 03.37 L C51
2022-09-28 04:08:19 S 00 37 25.711 -78 45 47.02 L C51
2022-09-28 05:42:12 S 00 36 12.734 -78 47 30.19 L C51
2022-09-28 07:16:05 S 00 34 59.230 -78 49 12.58 L C51
2022-09-28 08:49:59 S 00 33 44.342 -78 50 52.87 L C51
2022-09-28 11:57:45 S 00 31 14.203 -78 54 07.49 L C51
2022-09-28 16:39:35 S 00 27 26.578 -78 58 53.33 L C51
2022-09-30 04:52:09 C 23 55 56.952 -79 28 55.20 V W68
2022-09-30 04:56:43 C 23 55 52.598 -79 28 58.33 V W68
2022-09-30 05:29:58 C 23 55 20.981 -79 29 18.46 V W68
2022-09-30 05:42:24 C 23 55 09.204 -79 29 25.80 V W68
2022-10-01 20:39:39 C 23 17 55.394 -79 45 22.90 V M22
2022-10-01 20:44:36 C 23 17 50.273 -79 45 23.83 V M22
2022-10-01 21:31:29 C 23 17 02.261 -79 45 32.04 V M22
2022-10-01 21:39:58 C 23 16 53.458 -79 45 33.41 V M22