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
2012-09-14 07:09:40 C 21 29 14.36 -03 19 21.4 o 291
2012-09-14 07:16:50 C 21 29 13.87 -03 19 21.6 o 291
2012-09-15 07:42:46 C 21 27 57.12 -03 21 21.0 o 291
2012-09-15 07:49:39 C 21 27 56.78 -03 21 22.0 o 291
2012-09-15 07:56:32 C 21 27 56.35 -03 21 22.3 o 291
2014-07-25 07:38:23 C 21 03 39.19 -25 22 32.1 u 807
2014-07-25 07:54:18 C 21 03 38.15 -25 22 32.4 u 807
2014-07-25 08:10:13 C 21 03 37.09 -25 22 32.9 u 807
2017-07-25 08:42:48 C 23 51 57.40 +13 56 17.4 u H21
2017-07-25 09:00:56 C 23 51 57.18 +13 56 25.8 u H21
2017-07-25 09:14:24 C 23 51 57.04 +13 56 32.7 u H21
2017-09-02 08:50:13 C 23 12 37.091 +19 53 58.80 L F51
2017-09-02 08:54:06 C 23 12 36.823 +19 53 59.52 L F51
2017-09-02 09:07:11 C 23 12 35.858 +19 54 02.17 L F51
2017-09-02 09:27:50 C 23 12 34.335 +19 54 06.42 L F51
2017-09-02 09:41:01 C 23 12 33.341 +19 54 09.31 L F51
2017-09-02 09:44:47 C 23 12 33.057 +19 54 10.37 L F51
2017-09-24 05:02:41 C 22 31 06.42 +20 12 59.5 q G96
2017-09-24 05:11:30 C 22 31 05.67 +20 12 59.3 q G96
2017-09-24 05:20:18 C 22 31 04.92 +20 12 58.4 q G96
2017-09-24 05:29:10 C 22 31 04.17 +20 12 56.6 q G96
2017-10-14 03:25:07 C 21 59 13.85 +18 22 59.8 U G96
2017-10-14 03:31:57 C 21 59 13.52 +18 22 58.0 U G96
2017-10-14 04:01:53 C 21 59 11.98 +18 22 48.8 U G96
2017-10-14 04:15:10 C 21 59 11.32 +18 22 44.3 U G96
2017-10-22 02:44:15 C 21 51 09.81 +17 26 31.0 o 691
2017-10-22 03:05:09 C 21 51 09.07 +17 26 24.4 o 691
2017-10-22 03:26:56 C 21 51 08.28 +17 26 18.2 o 691
2017-10-28 02:35:37 C 21 47 09.67 +16 45 48.1 o 691
2017-10-28 03:02:51 C 21 47 09.12 +16 45 41.8 o 691
2017-10-28 03:30:10 C 21 47 08.47 +16 45 33.6 o 691
2017-12-15 02:33:57 C 22 10 26.98 +15 07 49.3 o 691
2017-12-15 04:02:41 C 22 10 31.76 +15 08 00.5 o 691
2017-12-16 02:20:27 C 22 11 46.58 +15 11 02.0 o 691
2017-12-16 02:42:06 C 22 11 47.79 +15 11 04.8 o 691
2017-12-20 03:13:55 C 22 17 28.68 +15 26 20.2 o 691
2017-12-20 03:29:43 C 22 17 29.64 +15 26 23.1 o 691
2017-12-20 03:44:32 C 22 17 30.48 +15 26 25.3 o 691
2017-12-21 01:51:12 C 22 18 52.78 +15 30 25.3 o 691
2017-12-21 02:04:35 C 22 18 53.58 +15 30 27.7 o 691
2017-12-21 02:18:12 C 22 18 54.46 +15 30 30.4 o 691
2017-12-29 01:58:14 C 22 31 47.01 +16 12 31.6 o 691
2017-12-29 02:16:40 C 22 31 48.31 +16 12 36.1 o 691
2017-12-29 02:34:58 C 22 31 49.61 +16 12 41.0 o 691
2018-03-29 02:59:44 C 03 36 10.16 +25 20 20.5 U G96
2018-03-29 03:06:39 C 03 36 11.69 +25 20 16.6 U G96
2018-03-29 03:13:34 C 03 36 13.19 +25 20 13.3 U G96
2018-03-29 03:20:29 C 03 36 14.70 +25 20 08.6 U G96
2018-07-12 07:25:06 C 11 37 59.89 -29 34 09.0 U 474
2018-07-12 07:29:20 C 11 38 00.61 -29 34 11.3 U 474