550271 (2012 DP8)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2157828624 ± 2.88e-08
Semi-major axis (a)1.3445346097 AU ± 5.21e-09
Inclination (i)24.09893626° ± 9.43e-06
Long. of Asc. Node (Ω)350.26163400° ± 3.39e-06
Arg. of Perihelion (ω)331.44848556° ± 1.43e-05
Mean Anomaly (M)140.51091502° ± 6.29e-06
Mean Motion (n)0.6321997173°/day ± 3.67e-09
Perihelion dist (q)1.05440708 AU ± 3.90e-08
Aphelion dist (Q)1.63466214 AU ± 3.93e-08
Orbital Period1.55904259 yr ± 9.05e-09
Physical Parameters
H (abs. magnitude)19.77
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.279″
Uncertainty0
Orbit TypeAmor
MOID0.067639 AU
Observations Used287
Oppositions9
Arc Total1998-2023
First Observation Used1998-02-23
Last Observation Used2023-11-07
Observations (289)
Date Type RA Dec Mag Band Observatory
2020-09-10 01:19:58 C 02 35 16.29 +27 03 33.7 V K88
2020-09-10 01:32:11 C 02 35 13.41 +27 05 04.2 V K88
2020-09-11 12:44:53 C 02 27 14.569 +31 17 28.58 U F51
2020-09-11 13:01:48 C 02 27 10.267 +31 19 26.61 U F51
2020-09-11 13:12:10 C 02 27 07.572 +31 20 40.12 U F52
2020-09-11 13:18:09 C 02 27 06.008 +31 21 22.56 U F51
2020-09-11 13:28:56 C 02 27 03.27 +31 22 37.3 V T05
2020-09-11 13:29:18 C 02 27 03.172 +31 22 39.93 U F52
2020-09-11 13:34:30 C 02 27 01.810 +31 23 17.29 U F51
2020-09-11 13:37:08 C 02 27 01.17 +31 23 34.8 V T05
2020-09-11 13:47:00 C 02 26 58.63 +31 24 43.7 V T05
2020-09-11 14:29:42 C 02 26 47.66 +31 29 41.0 V T05
2020-09-12 20:15:39 C 02 19 36.20 +34 52 04.0 V K74
2020-09-12 20:18:20 C 02 19 35.56 +34 52 21.7 V K74
2020-09-12 20:20:49 C 02 19 34.92 +34 52 39.0 V K74
2020-09-12 20:23:31 C 02 19 34.22 +34 52 56.7 V K74
2020-09-12 20:26:53 C 02 19 33.36 +34 53 20.0 V K74
2020-09-12 20:30:02 C 02 19 32.58 +34 53 41.2 V K74
2020-09-13 00:53:28 C 02 18 23.76 +35 23 16.3 V 160
2020-09-13 00:56:15 C 02 18 23.00 +35 23 35.0 V 160
2020-09-13 00:59:01 C 02 18 22.23 +35 23 53.3 V 160
2020-09-13 02:16:24 C 02 18 01.31 +35 32 18.3 V K87
2020-09-13 02:17:57 C 02 18 00.90 +35 32 29.0 V K87
2020-09-13 02:19:30 C 02 18 00.48 +35 32 39.0 V K87
2020-09-13 22:02:02 C 02 12 56.27 +37 39 56.0 V Z80
2020-09-13 22:08:41 C 02 12 54.42 +37 40 39.9 V Z80
2020-09-13 22:15:22 C 02 12 52.63 +37 41 22.5 V Z80
2020-09-14 00:23:11 C 02 12 17.16 +37 55 12.0 V 160
2020-09-14 00:26:11 C 02 12 16.28 +37 55 31.2 V 160
2020-09-14 00:29:09 C 02 12 15.45 +37 55 50.0 V 160
2020-09-14 01:46:22 C 02 11 53.62 +38 03 52.6 V K87
2020-09-14 01:47:58 C 02 11 53.17 +38 04 02.7 V K87
2020-09-14 01:49:34 C 02 11 52.68 +38 04 13.0 V K87
2020-09-14 11:26:06 C 02 09 19.04 +39 04 37.5 V T08
2020-09-14 11:30:44 C 02 09 17.68 +39 05 06.3 V T08
2020-09-14 11:38:43 C 02 09 15.34 +39 05 56.1 V T08
2020-09-14 12:11:12 C 02 09 05.80 +39 09 17.8 V T08
2020-09-15 02:05:17 C 02 05 14.18 +40 33 06.7 V K87
2020-09-15 02:06:24 C 02 05 13.86 +40 33 12.9 V K87
2020-09-15 02:07:29 C 02 05 13.54 +40 33 19.8 V K87
2020-09-16 00:12:54 C 01 58 56.82 +42 41 49.8 V 160
2020-09-16 00:15:09 C 01 58 56.12 +42 42 02.7 V 160
2020-09-16 00:17:25 C 01 58 55.41 +42 42 16.0 V 160
2020-09-16 11:13:26 C 01 55 43.15 +43 43 34.4 V T05
2020-09-16 11:18:03 C 01 55 41.67 +43 44 00.2 V T05
2020-09-16 11:26:41 C 01 55 38.91 +43 44 48.0 V T05
2020-09-16 11:41:17 C 01 55 34.29 +43 46 08.9 V T05
2020-09-16 20:04:29 C 01 53 05.80 +44 30 55.9 V L18
2020-09-16 20:07:35 C 01 53 04.83 +44 31 12.4 V L18
2020-09-16 20:10:41 C 01 53 03.93 +44 31 29.7 V L18