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
2020-09-22 00:22:47 C 01 12 12.36 +53 42 38.0 V K87
2020-09-22 00:25:48 C 01 12 11.27 +53 42 48.3 V K87
2020-09-22 01:55:05 C 01 11 44.32 +53 47 53.3 V W34
2020-09-22 02:05:38 C 01 11 40.54 +53 48 31.5 V W34
2020-09-22 02:14:28 C 01 11 37.35 +53 49 03.9 V W34
2020-09-22 02:23:40 C 01 11 34.11 +53 49 38.0 V W34
2020-09-22 11:50:56 C 01 08 08.79 +54 22 37.8 V T08
2020-09-22 11:55:35 C 01 08 07.04 +54 22 53.4 V T08
2020-09-22 12:46:33 C 01 07 47.78 +54 25 42.6 V T08
2020-09-22 13:27:30 C 01 07 32.36 +54 27 56.9 V T08
2020-09-24 01:01:01 C 00 54 49.51 +56 18 20.1 V K87
2020-09-24 01:03:32 C 00 54 48.55 +56 18 27.4 V K87
2020-09-24 01:06:04 C 00 54 47.64 +56 18 34.6 V K87
2020-09-28 03:09:32 C 00 19 08.98 +60 04 28.1 q B88
2020-09-28 03:33:43 C 00 19 00.26 +60 05 09.1 q B88
2020-09-28 03:58:26 C 00 18 51.10 +60 05 49.6 q B88
2020-10-04 03:04:10 C 23 30 38.74 +62 53 00.5 q B88
2020-10-04 03:23:58 C 23 30 32.53 +62 53 11.9 q B88
2020-10-04 03:43:50 C 23 30 26.29 +62 53 24.1 q B88
2020-10-04 19:00:21 C 23 25 55.65 +63 03 04.1 V L70
2020-10-04 19:19:02 C 23 25 49.84 +63 03 16.1 V L70
2020-10-04 19:37:42 C 23 25 44.04 +63 03 27.5 V L70
2020-10-07 05:09:56 C 23 09 30.60 +63 28 09.9 U I41
2020-10-07 05:50:06 C 23 09 19.21 +63 28 22.2 U I41
2020-10-07 07:40:43 C 23 08 47.95 +63 28 51.2 U I41
2020-10-07 08:04:10 C 23 08 41.39 +63 28 56.5 U I41
2020-10-07 22:16:06 C 23 05 02.03 +63 32 29.1 V 130
2020-10-07 22:20:29 C 23 05 00.75 +63 32 30.1 V 130
2020-10-07 22:24:53 C 23 04 59.63 +63 32 30.9 V 130
2020-10-10 19:51:17 C 22 48 44.58 +63 39 42.2 V K87
2020-10-10 19:57:54 C 22 48 43.07 +63 39 42.6 V K87
2020-10-10 20:04:31 C 22 48 41.56 +63 39 42.7 V K87
2023-03-19 10:27:19 C 12 25 20.131 -20 51 47.60 U F52
2023-03-19 10:42:58 C 12 25 18.132 -20 52 03.24 U F52
2023-03-19 10:58:36 C 12 25 16.147 -20 52 18.74 U F52
2023-03-19 11:14:16 C 12 25 14.150 -20 52 34.29 U F52
2023-11-07 01:53:59 C 20 13 49.500 -09 06 02.80 V I52
2023-11-07 01:59:33 C 20 13 50.210 -09 05 52.40 V I52
2023-11-07 02:05:08 C 20 13 51.040 -09 05 42.40 V I52