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
2003-12-25 12:30:57 C 05 01 36.87 -17 54 49.2 19.0 c 608
2004-01-15 06:57:48 C 04 58 00.11 -12 48 32.1 19.0 c 644
2004-01-15 07:03:30 C 04 58 00.16 -12 48 28.0 18.9 c 644
2004-01-15 07:25:31 C 04 58 00.33 -12 48 11.7 18.9 c 644
2004-01-15 07:35:18 C 04 58 00.40 -12 48 04.5 18.9 c 644
2004-01-15 07:56:02 C 04 58 00.55 -12 47 49.3 18.9 c 644
2004-01-15 08:05:53 C 04 58 00.65 -12 47 41.7 18.9 c 644
2005-05-16 08:54:15 C 17 01 42.41 +01 25 17.5 c 691
2005-05-16 09:19:16 C 17 01 41.35 +01 25 36.5 c 691
2005-05-16 09:44:16 C 17 01 40.33 +01 25 52.5 c 691
2005-06-01 06:27:35 C 16 43 11.78 +05 31 35.9 19.3 c 704
2005-06-01 06:42:25 C 16 43 10.96 +05 31 45.3 19.4 c 704
2005-06-01 07:11:59 C 16 43 09.24 +05 32 00.6 19.6 c 704
2005-06-07 07:49:28 C 16 35 05.96 +06 45 13.5 r 703
2005-06-07 08:01:09 C 16 35 05.28 +06 45 19.1 r 703
2005-06-07 08:12:57 C 16 35 04.63 +06 45 24.3 r 703
2005-06-07 08:24:37 C 16 35 03.84 +06 45 29.5 r 703
2005-06-27 05:01:12 C 16 11 12.26 +08 48 25.8 o 699
2005-06-27 05:32:48 C 16 11 10.92 +08 48 28.2 o 699
2005-06-27 06:04:23 C 16 11 09.58 +08 48 30.3 o 699
2005-06-27 06:35:59 C 16 11 08.15 +08 48 32.7 o 699
2007-03-11 09:50:28 C 14 22 47.92 -13 54 01.6 r G96
2007-03-11 10:00:48 C 14 22 47.74 -13 53 57.9 r G96
2007-03-11 10:11:21 C 14 22 47.67 -13 53 54.4 r G96
2007-03-11 10:21:57 C 14 22 47.56 -13 53 51.1 r G96
2007-03-26 10:21:30 C 14 15 10.76 -11 19 50.3 r G96
2007-03-26 10:30:42 C 14 15 10.44 -11 19 45.6 r G96
2007-03-26 10:40:01 C 14 15 10.18 -11 19 41.0 r G96
2007-03-26 10:49:26 C 14 15 09.82 -11 19 36.0 r G96
2007-04-16 06:49:26 C 13 54 05.96 -06 24 42.3 o 699
2007-04-16 07:17:02 C 13 54 04.47 -06 24 25.6 o 699
2007-04-16 07:44:40 C 13 54 03.14 -06 24 09.0 o 699
2007-04-16 08:12:18 C 13 54 01.80 -06 23 51.1 o 699
2007-04-18 06:56:04 C 13 51 42.76 -05 54 05.4 r 703
2007-04-18 07:11:32 C 13 51 42.04 -05 53 56.0 r 703
2007-04-18 07:27:03 C 13 51 41.25 -05 53 45.9 r 703
2007-04-18 07:42:35 C 13 51 40.50 -05 53 36.6 r 703
2007-05-06 03:30:29 C 13 31 20.58 -01 38 55.3 o 691
2007-05-06 03:56:53 C 13 31 19.45 -01 38 41.6 o 691
2007-05-06 04:23:16 C 13 31 18.34 -01 38 28.5 o 691
2007-05-23 04:51:40 C 13 17 56.97 +01 13 13.0 r G96
2007-05-23 04:59:40 C 13 17 56.76 +01 13 15.3 r G96
2007-05-23 05:07:39 C 13 17 56.58 +01 13 17.7 r G96
2007-05-23 05:15:42 C 13 17 56.36 +01 13 20.0 r G96
2011-03-11 04:08:29 C 08 09 39.16 -02 35 54.6 r G96
2011-03-11 04:19:50 C 08 09 39.13 -02 35 47.1 r G96
2011-03-11 04:31:03 C 08 09 39.13 -02 35 39.6 r G96
2011-03-21 19:54:14 C 08 11 41.50 +00 01 52.5 u 240
2011-03-21 19:59:02 C 08 11 41.57 +00 01 55.0 u 240
2011-03-21 20:11:44 C 08 11 41.81 +00 02 02.4 u 240