516984 (2012 PN28)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5315849956 ± 1.51e-07
Semi-major axis (a)1.7803600162 AU ± 2.80e-08
Inclination (i)24.48012342° ± 1.78e-05
Long. of Asc. Node (Ω)319.03420066° ± 2.73e-05
Arg. of Perihelion (ω)174.91513260° ± 3.24e-05
Mean Anomaly (M)76.08679159° ± 1.24e-05
Mean Motion (n)0.4149067763°/day ± 9.77e-09
Perihelion dist (q)0.83394734 AU ± 2.68e-07
Aphelion dist (Q)2.72677269 AU ± 2.72e-07
Orbital Period2.37553672 yr ± 5.59e-08
Physical Parameters
H (abs. magnitude)18.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.435″
Uncertainty0
Orbit TypeApollo
MOID0.151186 AU
Observations Used124
Oppositions7
Arc Total2012-2024
First Observation Used2012-08-13
Last Observation Used2024-09-28
Observations (179)
Date Type RA Dec Mag Band Observatory
2010-07-07 00:40:26 S 00 30 20.556 +17 56 24.32 L C51
2010-07-07 03:50:56 x 00 30 26.38 +17 58 33.5 L C51
2010-07-07 03:50:57 S 00 30 26.36 +17 58 33.7 L C51
2010-07-07 07:01:28 S 00 30 32.10 +18 00 42.8 L C51
2010-07-07 11:47:09 S 00 30 40.51 +18 03 55.4 L C51
2010-07-07 13:22:30 S 00 30 43.445 +18 05 01.00 L C51
2010-07-07 16:32:50 S 00 30 49.09 +18 07 09.3 L C51
2010-07-07 19:43:21 S 00 30 54.41 +18 09 17.7 L C51
2010-07-07 21:18:42 S 00 30 57.439 +18 10 23.59 L C51
2010-07-08 03:39:33 S 00 31 08.837 +18 14 43.01 L C51
2010-07-08 10:00:35 S 00 31 19.918 +18 19 03.54 L C51
2010-12-02 05:22:12 S 21 50 03.166 +34 52 50.99 L C51
2010-12-02 08:32:32 S 21 50 06.804 +34 51 42.80 L C51
2010-12-02 08:32:43 S 21 50 06.859 +34 51 41.58 L C51
2010-12-02 18:03:55 S 21 50 18.278 +34 48 15.95 L C51
2010-12-02 21:14:26 S 21 50 22.301 +34 47 08.52 L C51
2010-12-02 22:49:36 S 21 50 24.247 +34 46 33.78 L C51
2010-12-03 00:24:57 S 21 50 26.275 +34 45 59.29 L C51
2010-12-03 05:10:38 S 21 50 32.362 +34 44 18.17 L C51
2010-12-03 08:20:58 S 21 50 36.547 +34 43 10.92 L C51
2012-08-13 09:59:17 c 22 16 14.226 -02 34 26.10 L F51
2012-08-13 10:20:09 c 22 16 12.945 -02 34 26.59 L F51
2012-08-13 10:41:05 c 22 16 11.658 -02 34 26.74 L F51
2012-08-15 07:51:09 C 22 13 27.02 -02 34 55.7 t H21
2012-08-15 08:11:10 C 22 13 25.76 -02 34 56.2 t H21
2012-08-15 08:30:37 C 22 13 24.53 -02 34 56.9 t H21
2012-08-18 00:43:00 C 22 09 25.51 -02 36 18.1 u 104
2012-08-18 00:49:06 C 22 09 25.11 -02 36 18.4 u 104
2012-08-18 00:55:11 C 22 09 24.71 -02 36 18.5 u 104
2012-08-20 05:23:49 C 22 06 05.94 -02 37 59.3 t H21
2012-08-20 05:40:28 C 22 06 04.86 -02 38 00.7 t H21
2012-08-20 05:57:08 C 22 06 03.76 -02 38 00.8 t H21
2012-08-20 06:12:05 C 22 06 02.79 -02 38 01.0 t H21
2012-08-21 07:12:19 C 22 04 27.01 -02 38 57.9 t H21
2012-08-21 07:32:25 C 22 04 25.74 -02 38 58.8 t H21
2012-08-21 07:43:51 C 22 04 25.03 -02 38 59.1 t H21
2012-08-22 03:45:07 C 22 03 08.39 -02 39 49.9 u H21
2012-08-22 04:02:05 C 22 03 07.28 -02 39 50.6 u H21
2012-08-22 04:21:03 C 22 03 06.03 -02 39 51.7 u H21
2012-08-25 04:35:26 C 21 58 27.48 -02 43 25.1 o 691
2012-08-25 04:57:16 C 21 58 26.07 -02 43 25.2 o 691
2012-08-26 04:17:45 C 21 56 55.67 -02 44 44.4 u H21
2012-08-26 04:35:38 C 21 56 54.50 -02 44 45.9 u H21
2012-08-26 04:53:43 C 21 56 53.33 -02 44 46.6 u H21
2012-09-05 02:01:17 C 21 41 54.99 -03 01 14.3 t H21
2012-09-05 02:38:31 C 21 41 52.64 -03 01 17.2 t H21
2012-09-06 05:17:56 C 21 40 15.55 -03 03 23.8 u H21
2012-09-06 05:32:11 C 21 40 14.68 -03 03 25.4 u H21
2012-09-06 05:45:14 C 21 40 13.89 -03 03 26.1 u H21
2012-09-14 07:02:30 C 21 29 14.76 -03 19 20.3 o 291