IAA RAS IAA Minor Planet Database

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
2020-09-16 20:13:47 C 01 53 02.94 +44 31 46.7 – V L18
2020-09-16 20:16:54 C 01 53 02.01 +44 32 03.6 – V L18
2020-09-16 20:20:00 C 01 53 00.99 +44 32 20.3 – V L18
2020-09-17 23:26:08 C 01 44 37.95 +46 52 19.4 – V L18
2020-09-17 23:32:40 C 01 44 35.86 +46 52 51.7 – V L18
2020-09-17 23:39:12 C 01 44 33.65 +46 53 24.4 – V L18
2020-09-17 23:45:45 C 01 44 31.45 +46 53 56.6 – V L18
2020-09-17 23:58:49 C 01 44 27.19 +46 55 01.0 – V L18
2020-09-18 11:13:16 C 01 40 54.44 +47 50 05.9 – V T08
2020-09-18 11:15:56 C 01 40 53.52 +47 50 19.0 – V T08
2020-09-18 11:20:35 C 01 40 51.94 +47 50 41.3 – V T08
2020-09-18 11:32:42 C 01 40 47.81 +47 51 39.6 – V T08
2020-09-18 21:20:52 C 01 37 40.68 +48 36 56.6 – V Z80
2020-09-18 21:24:37 C 01 37 39.52 +48 37 14.1 – V Z80
2020-09-18 21:28:22 C 01 37 38.29 +48 37 32.1 – V Z80
2020-09-18 21:32:07 C 01 37 36.99 +48 37 49.5 – V Z80
2020-09-19 00:40:14 C 01 36 33.02 +48 52 30.9 – V K87
2020-09-19 00:40:52 C 01 36 32.85 +48 52 33.6 – V K87
2020-09-19 00:41:31 C 01 36 32.58 +48 52 36.6 – V K87
2020-09-19 00:42:10 C 01 36 32.39 +48 52 39.3 – V K87
2020-09-19 01:16:40 C 01 36 20.51 +48 55 23.6 – V L63
2020-09-19 01:49:15 C 01 36 09.33 +48 57 51.5 – V L63
2020-09-19 02:20:00 C 01 35 58.77 +49 00 10.3 – V L63
2020-09-19 07:50:40 C 01 34 13.40 +49 25 11.1 – V 703
2020-09-19 07:58:16 C 01 34 10.79 +49 25 45.6 – V 703
2020-09-19 08:13:26 C 01 34 05.43 +49 26 53.9 – V 703
2020-09-19 21:41:48 C 01 29 38.28 +50 25 20.6 – V L18
2020-09-19 21:45:24 C 01 29 37.04 +50 25 36.3 – V L18
2020-09-19 21:49:00 C 01 29 35.75 +50 25 50.9 – V L18
2020-09-19 21:52:36 C 01 29 34.51 +50 26 07.1 – V L18
2020-09-19 21:56:13 C 01 29 33.31 +50 26 22.8 – V L18
2020-09-19 21:59:49 C 01 29 32.01 +50 26 37.5 – V L18
2020-09-20 00:07:51 C 01 28 48.18 +50 35 42.0 – V K87
2020-09-20 00:11:14 C 01 28 46.94 +50 35 56.0 – V K87
2020-09-20 00:14:38 C 01 28 45.77 +50 36 10.9 – V K87
2020-09-20 01:43:32 C 01 28 14.01 +50 42 27.6 – V L70
2020-09-20 01:49:28 C 01 28 11.94 +50 42 52.6 – V L70
2020-09-20 02:25:32 C 01 27 59.21 +50 45 22.5 – V L70
2020-09-20 02:31:43 C 01 27 57.10 +50 45 48.1 – V L70
2020-09-20 05:16:30 C 01 27 06.11 +50 57 17.6 – V V93
2020-09-20 06:24:28 C 01 26 42.02 +51 02 03.2 – V V93
2020-09-20 07:09:55 C 01 26 25.77 +51 05 11.8 – V V93
2020-09-21 00:11:44 C 01 20 37.41 +52 13 07.3 – V K87
2020-09-21 00:14:35 C 01 20 36.40 +52 13 18.6 – V K87
2020-09-21 00:17:24 C 01 20 35.37 +52 13 29.3 – V K87
2020-09-21 22:10:45 C 01 12 59.81 +53 34 49.0 – V L18
2020-09-21 22:22:48 C 01 12 55.41 +53 35 31.8 – V L18
2020-09-21 22:34:52 C 01 12 50.93 +53 36 15.2 – V L18
2020-09-21 22:46:55 C 01 12 46.46 +53 36 59.6 – V L18
2020-09-22 00:19:48 C 01 12 13.45 +53 42 27.2 – V K87