4487 Pocahontas (1987 UA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2964704883 ± 1.76e-08
Semi-major axis (a)1.7304573790 AU ± 1.50e-09
Inclination (i)16.40527358° ± 2.28e-06
Long. of Asc. Node (Ω)198.09837338° ± 7.11e-06
Arg. of Perihelion (ω)173.97172514° ± 8.14e-06
Mean Anomaly (M)269.08050925° ± 5.30e-06
Mean Motion (n)0.4329830700°/day ± 5.64e-10
Perihelion dist (q)1.21742783 AU ± 3.04e-08
Aphelion dist (Q)2.24348692 AU ± 3.04e-08
Orbital Period2.27636218 yr ± 2.96e-09
Physical Parameters
H (abs. magnitude)17.48
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.322″
Uncertainty0
Orbit TypeAmor
MOID0.217652 AU
Observations Used782
Oppositions21
Arc Total1987-2025
First Observation Used1987-09-24
Last Observation Used2025-05-19
Observations (818)
Date Type RA Dec Mag Band Observatory
2012-09-05 21:02:06 C 20 06 40.69 +22 05 27.5 u I74
2012-09-09 21:23:02 C 20 09 44.43 +19 54 58.9 c A24
2012-09-09 21:24:04 C 20 09 44.46 +19 54 57.6 c A24
2012-09-09 22:28:21 C 20 09 46.60 +19 53 25.2 c A24
2012-09-09 22:29:24 C 20 09 46.57 +19 53 23.5 c A24
2012-09-10 19:47:39 C 20 10 36.99 +19 22 44.1 u 089
2012-09-10 19:49:48 C 20 10 37.07 +19 22 40.7 u 089
2012-09-10 19:51:57 C 20 10 37.14 +19 22 37.7 u 089
2012-09-10 19:54:06 C 20 10 37.23 +19 22 34.6 u 089
2012-09-13 19:29:38 C 20 13 50.70 +17 35 11.3 u 089
2012-09-13 19:31:47 C 20 13 50.76 +17 35 08.1 u 089
2012-09-13 19:44:17 C 20 13 51.33 +17 34 48.6 u 089
2012-09-13 19:46:26 C 20 13 51.47 +17 34 45.8 u 089
2012-09-13 19:48:35 C 20 13 51.57 +17 34 42.0 u 089
2012-09-14 20:39:04 C 20 15 08.06 +16 55 59.3 c A24
2012-09-14 20:40:06 C 20 15 08.10 +16 55 57.3 c A24
2012-09-15 20:32:39 C 20 16 25.93 +16 18 03.5 c A24
2012-09-15 20:33:41 C 20 16 25.98 +16 18 01.9 c A24
2012-09-15 22:33:34 C 20 16 32.12 +16 14 49.1 c A24
2012-09-15 22:34:36 C 20 16 32.15 +16 14 47.2 c A24
2012-09-16 19:36:50 C 20 17 45.59 +15 40 51.4 c A24
2012-09-16 19:37:52 C 20 17 45.63 +15 40 49.8 c A24
2012-09-16 20:44:39 C 20 17 49.23 +15 39 01.1 c A24
2012-09-16 20:45:42 C 20 17 49.28 +15 38 59.5 c A24
2012-09-18 20:21:20 C 20 20 46.79 +14 20 28.5 o J26
2012-09-18 20:30:10 C 20 20 47.31 +14 20 14.0 o J26
2012-09-18 20:33:52 C 20 20 47.60 +14 20 07.4 o J26
2012-09-19 20:06:40 C 20 22 21.60 +13 40 35.1 c A24
2012-09-19 20:07:42 C 20 22 21.66 +13 40 34.2 c A24
2012-09-19 21:49:47 C 20 22 28.16 +13 37 39.9 c A24
2012-09-19 21:50:49 C 20 22 28.20 +13 37 38.5 c A24
2012-09-20 17:08:51 C 20 23 49.25 +13 04 45.3 r 168
2012-09-20 18:34:11 C 20 23 54.95 +13 02 19.2 r 168
2012-09-20 18:39:15 C 20 23 55.31 +13 02 11.0 r 168
2012-09-20 19:59:46 C 20 24 01.50 +12 59 57.6 c A24
2012-09-20 20:00:48 C 20 24 01.62 +12 59 56.0 c A24
2012-09-20 21:08:54 C 20 24 06.12 +12 57 59.1 c A24
2012-09-20 21:09:57 C 20 24 06.15 +12 57 57.5 c A24
2012-09-23 02:05:51 C 20 28 04.40 +11 26 31.1 u 448
2012-09-23 02:11:05 C 20 28 04.78 +11 26 22.1 u 448
2012-09-23 02:15:40 C 20 28 05.14 +11 26 14.2 u 448
2012-09-23 02:28:02 C 20 28 06.02 +11 25 52.6 u 448
2012-09-23 04:16:01 C 20 28 13.78 +11 22 44.5 17.7 c 704
2012-09-23 04:37:17 C 20 28 15.31 +11 22 06.3 18.0 c 704
2012-09-23 04:58:19 C 20 28 16.83 +11 21 30.0 17.9 c 704
2012-09-23 05:19:27 C 20 28 18.36 +11 20 52.5 17.8 c 704
2012-09-23 05:40:32 C 20 28 19.90 +11 20 15.3 18.0 c 704
2012-09-30 02:32:14 C 20 42 56.08 +06 26 37.1 u H21
2012-09-30 02:35:46 C 20 42 56.40 +06 26 30.4 u H21
2012-09-30 02:38:50 C 20 42 56.68 +06 26 25.1 u H21