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
1998-02-23 10:10:01 C 12 20 54.02 +02 41 36.6 i 691
1998-02-23 11:05:47 C 12 20 49.35 +02 41 06.8 i 691
2012-02-20 10:38:17 C 11 52 43.927 +13 24 14.01 L F51
2012-02-20 11:00:09 C 11 52 41.803 +13 24 07.42 L F51
2012-02-20 11:22:10 C 11 52 39.671 +13 24 00.61 L F51
2012-02-20 11:44:13 C 11 52 37.533 +13 23 53.95 L F51
2012-02-20 23:42:37 C 11 51 29.64 +13 20 07.1 v B18
2012-02-20 23:47:40 C 11 51 29.16 +13 20 05.3 v B18
2012-02-20 23:52:42 C 11 51 28.65 +13 20 03.7 v B18
2012-02-21 02:03:26 C 11 51 16.32 +13 19 23.1 v I93
2012-02-21 02:20:18 C 11 51 14.67 +13 19 17.5 v I93
2012-02-21 02:39:13 C 11 51 12.84 +13 19 11.9 v I93
2012-02-21 06:29:25 C 11 50 51.41 +13 18 01.3 o H01
2012-02-21 06:39:55 C 11 50 50.38 +13 17 58.0 o H01
2012-02-21 06:50:45 C 11 50 49.32 +13 17 54.3 o H01
2012-02-21 07:00:39 C 11 50 48.33 +13 17 51.6 o H01
2012-02-21 12:04:14 C 11 50 18.85 +13 16 18.8 o F65
2012-02-21 12:06:45 C 11 50 18.60 +13 16 18.0 o F65
2012-02-21 12:09:15 C 11 50 18.35 +13 16 17.1 o F65
2012-02-21 12:11:45 C 11 50 18.09 +13 16 16.3 o F65
2012-02-21 12:14:16 C 11 50 17.85 +13 16 15.4 o F65
2012-02-22 01:45:35 C 11 48 58.88 +13 11 51.1 t 204
2012-02-22 02:16:15 C 11 48 55.77 +13 11 40.7 t 204
2012-02-22 06:00:29 C 11 48 34.24 +13 10 29.8 u H36
2012-02-22 06:47:22 C 11 48 29.53 +13 10 15.0 u H36
2012-02-22 07:00:51 C 11 48 28.18 +13 10 10.6 u H36
2012-02-22 10:08:23 C 11 48 09.06 +13 09 10.1 r H21
2012-02-22 10:14:20 C 11 48 08.46 +13 09 08.1 r H21
2012-02-22 10:19:51 C 11 48 07.91 +13 09 06.0 r H21
2012-02-22 11:53:47 C 11 47 58.46 +13 08 36.0 o 291
2012-02-22 11:58:34 C 11 47 58.04 +13 08 34.6 o 291
2012-02-22 12:01:45 C 11 47 57.64 +13 08 33.6 o 291
2012-02-22 23:43:48 C 11 46 48.38 +13 04 40.0 c A24
2012-02-22 23:55:41 C 11 46 47.14 +13 04 36.4 c A24
2012-02-23 00:08:04 C 11 46 45.85 +13 04 32.7 c A24
2012-02-24 12:21:33 C 11 43 02.22 +12 52 15.5 o 291
2012-02-24 12:25:44 C 11 43 01.78 +12 52 13.8 o 291
2012-02-24 12:29:55 C 11 43 01.35 +12 52 12.2 o 291
2012-03-03 11:15:27 C 11 21 29.70 +11 36 43.7 o 291
2012-03-03 11:17:49 C 11 21 29.47 +11 36 42.1 o 291
2012-03-03 11:20:10 C 11 21 29.21 +11 36 41.0 o 291
2012-03-04 06:00:12 C 11 19 15.95 +11 28 16.4 o 291
2012-03-04 06:02:51 C 11 19 15.63 +11 28 15.2 o 291
2012-03-04 06:05:35 C 11 19 15.30 +11 28 14.9 o 291
2012-03-04 06:10:11 C 11 19 14.70 +11 28 12.6 r G96
2012-03-04 06:18:30 C 11 19 13.65 +11 28 08.6 r G96
2012-03-04 06:26:53 C 11 19 12.64 +11 28 04.9 r G96
2012-03-04 06:35:15 C 11 19 11.60 +11 28 01.2 r G96
2012-03-04 08:16:20 C 11 18 59.25 +11 27 14.0 t G58
2012-03-04 08:28:01 C 11 18 57.75 +11 27 08.7 t G58