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
2012-03-04 08:37:40 C 11 18 56.62 +11 27 03.7 t G58
2012-03-05 05:24:46 C 11 16 26.50 +11 17 28.9 o 291
2012-03-05 05:27:08 C 11 16 26.20 +11 17 28.3 o 291
2012-03-05 05:29:29 C 11 16 25.90 +11 17 27.2 o 291
2012-03-12 05:48:10 C 10 55 51.30 +09 51 46.7 o 291
2012-03-12 05:52:22 C 10 55 50.76 +09 51 44.8 o 291
2012-03-12 05:56:32 C 10 55 50.24 +09 51 42.3 o 291
2012-03-13 04:35:24 C 10 53 05.78 +09 39 12.3 o 291
2012-03-13 04:38:35 C 10 53 05.40 +09 39 10.1 o 291
2012-03-13 04:41:45 C 10 53 05.02 +09 39 08.4 o 291
2012-03-13 05:22:19 C 10 52 59.74 +09 38 44.5 u H36
2012-03-13 05:40:30 C 10 52 57.47 +09 38 34.4 u H36
2012-03-13 05:49:37 C 10 52 56.35 +09 38 29.7 u H36
2012-03-13 08:30:12 C 10 52 37.278 +09 37 03.71 L F51
2012-03-13 08:46:11 C 10 52 35.270 +09 36 55.15 L F51
2012-03-13 09:02:23 C 10 52 33.263 +09 36 45.88 L F51
2012-03-13 09:17:51 C 10 52 31.334 +09 36 37.23 L F51
2012-03-27 04:01:59 C 10 16 38.99 +06 17 15.5 t H21
2012-03-27 04:14:41 C 10 16 37.80 +06 17 07.4 t H21
2012-03-27 04:26:53 C 10 16 36.64 +06 17 00.1 t H21
2012-03-29 01:42:29 C 10 12 36.44 +05 48 33.0 o H21
2012-03-29 02:00:44 C 10 12 34.82 +05 48 22.1 o H21
2012-03-29 02:14:27 C 10 12 33.60 +05 48 13.2 o H21
2015-03-24 08:51:19 C 08 33 21.536 +31 19 24.27 L F51
2015-03-24 09:09:30 C 08 33 21.189 +31 19 04.99 L F51
2015-03-24 09:27:33 C 08 33 20.874 +31 18 46.55 L F51
2015-03-24 09:45:38 C 08 33 20.549 +31 18 27.54 L F51
2017-09-07 09:51:27 C 05 40 14.51 +44 37 00.9 o 695
2017-09-07 10:09:28 C 05 40 17.22 +44 37 22.4 o 695
2017-09-07 10:27:30 C 05 40 19.90 +44 37 44.2 o 695
2017-10-03 12:03:05 C 07 19 20.25 +54 43 51.7 q G96
2017-10-03 12:06:29 C 07 19 20.72 +54 43 54.4 q G96
2017-10-03 12:09:52 C 07 19 21.22 +54 43 56.5 q G96
2017-12-11 12:57:00 C 09 54 00.520 +72 28 02.86 U F51
2017-12-11 13:16:36 C 09 53 58.914 +72 28 16.67 U F51
2017-12-11 13:36:13 C 09 53 57.209 +72 28 30.46 U F51
2017-12-11 13:55:51 C 09 53 55.541 +72 28 43.90 U F51
2020-08-22 13:10:59 C 03 35 36.64 -20 35 15.8 V T08
2020-08-22 13:17:06 C 03 35 36.10 -20 34 48.9 V T08
2020-08-22 13:24:29 C 03 35 35.47 -20 34 17.9 V T08
2020-08-22 13:39:05 C 03 35 34.16 -20 33 13.5 V T08
2020-08-23 03:23:52 C 03 34 29.35 -19 32 28.8 V C95
2020-08-23 03:34:07 C 03 34 28.38 -19 31 43.3 V C95
2020-08-27 13:49:45 C 03 24 54.41 -10 33 48.9 V T08
2020-08-27 13:54:24 C 03 24 53.87 -10 33 22.5 V T08
2020-08-27 14:03:37 C 03 24 52.77 -10 32 30.7 V T08
2020-08-27 14:14:55 C 03 24 51.39 -10 31 27.4 V T08
2020-08-27 14:18:54 C 03 24 50.98 -10 31 04.9 V T08
2020-08-27 14:19:34 C 03 24 50.83 -10 31 00.7 V T08
2020-08-29 11:05:02 C 03 20 01.34 -06 07 21.8 V 703