859524 (2013 PD21)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5596553721 ± 1.14e-08
Semi-major axis (a)1.9523214542 AU ± 2.93e-09
Inclination (i)34.96838627° ± 8.55e-06
Long. of Asc. Node (Ω)135.67810081° ± 3.55e-06
Arg. of Perihelion (ω)289.49150848° ± 5.20e-06
Mean Anomaly (M)137.88917483° ± 3.74e-06
Mean Motion (n)0.3613144129°/day ± 8.13e-10
Perihelion dist (q)0.85969426 AU ± 2.24e-08
Aphelion dist (Q)3.04494864 AU ± 2.28e-08
Orbital Period2.72789086 yr ± 6.14e-09
Physical Parameters
H (abs. magnitude)19.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.237″
Uncertainty0
Orbit TypeApollo
MOID0.113279 AU
Observations Used179
Oppositions8
Arc Total2013-2025
First Observation Used2013-08-08
Last Observation Used2025-02-27
Observations (183)
Date Type RA Dec Mag Band Observatory
2013-08-30 10:29:49 C 20 17 25.01 -34 54 42.8 o 474
2013-08-30 10:31:54 C 20 17 24.79 -34 54 47.2 o 474
2013-08-30 10:33:57 C 20 17 24.54 -34 54 51.9 o 474
2013-08-30 10:36:02 C 20 17 24.31 -34 54 56.4 o 474
2013-08-30 10:38:07 C 20 17 24.09 -34 55 00.8 o 474
2013-08-30 10:40:10 C 20 17 23.87 -34 55 05.2 o 474
2013-09-06 08:19:01 C 19 59 54.91 -40 38 48.7 o 474
2013-09-06 08:21:04 C 19 59 54.72 -40 38 52.9 o 474
2013-09-06 08:23:09 C 19 59 54.48 -40 38 56.9 o 474
2013-09-06 08:25:14 C 19 59 54.25 -40 39 01.1 o 474
2013-09-09 08:05:34 C 19 52 38.60 -42 55 33.7 o 474
2013-09-09 08:10:45 C 19 52 38.09 -42 55 44.7 o 474
2013-09-09 08:15:55 C 19 52 37.45 -42 55 53.4 o 474
2013-09-28 00:24:51 C 19 17 01.76 -54 18 28.0 u 807
2013-09-28 00:32:55 C 19 17 01.31 -54 18 38.3 u 807
2013-10-10 00:17:57 C 19 05 42.76 -59 46 53.2 u 807
2013-10-10 00:25:56 C 19 05 42.54 -59 47 01.6 u 807
2013-10-10 00:33:56 C 19 05 42.32 -59 47 09.8 u 807
2013-12-27 08:13:51 C 12 27 28.71 -78 18 53.9 u 807
2013-12-27 08:22:03 C 12 27 26.24 -78 18 39.6 u 807
2013-12-27 08:30:30 C 12 27 23.73 -78 18 23.9 u 807
2013-12-27 14:33:50 C 12 25 48.95 -78 06 59.2 o 474
2013-12-27 14:36:53 C 12 25 48.29 -78 06 54.1 o 474
2013-12-27 14:45:59 C 12 25 45.67 -78 06 37.6 o 474
2013-12-27 14:49:01 C 12 25 44.91 -78 06 32.3 o 474
2014-01-02 08:15:58 C 11 59 03.66 -73 03 05.5 u 807
2014-01-02 08:20:17 C 11 59 02.93 -73 02 54.6 u 807
2014-01-02 08:24:56 C 11 59 02.20 -73 02 42.8 u 807
2014-01-02 08:29:24 C 11 59 01.49 -73 02 31.6 u 807
2014-01-02 08:33:52 C 11 59 00.74 -73 02 20.2 u 807
2014-01-10 08:19:51 C 11 38 52.02 -62 24 29.0 u 807
2014-01-10 08:23:26 C 11 38 51.64 -62 24 13.6 u 807
2014-01-10 08:27:00 C 11 38 51.32 -62 23 58.5 u 807
2014-01-10 08:30:35 C 11 38 50.91 -62 23 43.3 u 807
2014-01-10 08:34:09 C 11 38 50.57 -62 23 28.2 u 807
2014-01-14 21:20:29 S 11 30 54.914 -53 17 00.82 L C51
2014-01-14 22:55:17 S 11 30 48.430 -53 07 42.46 L C51
2014-01-15 00:30:16 S 11 30 42.029 -52 58 19.60 L C51
2014-01-19 04:46:48 C 11 24 10.56 -41 25 52.8 u 807
2014-01-19 04:50:29 C 11 24 10.28 -41 25 24.1 u 807
2014-01-19 04:54:11 C 11 24 10.03 -41 24 54.8 u 807
2014-01-19 04:57:53 C 11 24 09.72 -41 24 25.9 u 807
2014-01-26 11:16:39 C 11 12 32.86 -13 34 17.6 q H45
2014-01-26 11:17:58 C 11 12 32.76 -13 34 03.4 q H45
2014-01-26 11:19:09 C 11 12 32.66 -13 33 50.3 q H45
2014-01-26 11:19:50 C 11 12 32.62 -13 33 42.5 q H45
2014-01-26 11:20:43 C 11 12 32.53 -13 33 33.8 q H45
2014-01-26 11:21:36 C 11 12 32.47 -13 33 24.1 q H45
2014-01-26 11:23:15 C 11 12 32.35 -13 33 06.4 q H45
2014-01-26 11:24:50 C 11 12 32.22 -13 32 49.7 q H45