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
1987-09-24 07:48:44 A 23 37 58.58 +25 25 32.6 675
1987-09-24 08:30:14 A 23 38 01.50 +25 23 55.7 675
1987-10-17 07:47:45 A 00 25 29.19 -00 29 05.0 16.5 675
1987-10-19 05:47:30 A 00 29 35.35 -02 31 07.5 657
1987-10-19 09:08:15 A 00 29 51.48 -02 39 37.0 675
1987-10-21 05:02:07 A 00 33 46.40 -04 29 35.7 675
1987-11-16 05:26:38 A 01 25 48.32 -18 52 46.8 B 691
1987-11-16 05:46:24 A 01 25 49.77 -18 52 55.8 B 691
1987-11-16 05:56:54 A 01 25 50.49 -18 53 00.4 B 691
1987-11-18 11:19:48 A 01 29 58.45 -19 14 33.6 474
1987-11-18 11:43:54 A 01 30 00.26 -19 14 42.5 474
1987-11-19 11:47:04 A 01 31 50.95 -19 22 40.1 474
1987-11-19 12:10:23 A 01 31 52.97 -19 22 47.8 474
1987-12-22 03:29:18 A 02 30 20.66 -16 28 10.8 B 691
1987-12-22 03:40:44 A 02 30 21.49 -16 28 04.4 B 691
1987-12-22 03:51:31 A 02 30 22.17 -16 27 58.4 B 691
1988-01-12 05:51:59 A 03 08 53.89 -11 02 31.4 688
1988-01-21 04:11:57 A 03 25 48.21 -08 32 50.5 B 691
1988-01-21 04:19:17 A 03 25 48.80 -08 32 45.8 B 691
1988-01-21 04:39:45 A 03 25 50.26 -08 32 31.3 B 691
1989-06-15 07:02:51 A 15 23 00.46 +05 32 10.6 675
1989-06-15 07:10:12 A 15 23 00.15 +05 32 12.3 675
1989-06-15 07:18:52 A 15 22 59.81 +05 32 13.1 675
1989-06-15 07:28:23 A 15 22 59.51 +05 32 14.9 675
1989-07-15 06:17:02 A 15 12 51.81 +04 55 39.9 675
1989-07-15 06:25:36 A 15 12 51.90 +04 55 37.3 675
1989-07-15 06:48:21 A 15 12 52.02 +04 55 30.7 675
1989-07-15 07:02:17 A 15 12 52.20 +04 55 28.3 675
1991-04-10 06:57:19 A 13 16 30.47 -06 59 19.2 688
1991-04-10 07:03:55 A 13 16 30.08 -06 59 14.3 688
1994-12-28 18:00:00 C 08 04 23.73 -16 15 59.1 z 360
1994-12-28 18:16:44 C 08 04 22.83 -16 16 00.6 z 360
1994-12-28 18:23:30 C 08 04 22.51 -16 16 01.2 z 360
1995-02-01 16:09:50 C 07 20 47.93 -11 11 42.5 413
1995-02-01 16:18:06 C 07 20 47.64 -11 11 36.6 413
1996-06-21 07:58:36 C 18 35 48.75 +15 20 34.3 z 709
1996-06-21 08:02:52 C 18 35 48.55 +15 20 37.0 z 709
1996-06-21 08:07:04 C 18 35 48.35 +15 20 39.4 z 709
1996-06-21 08:11:17 C 18 35 48.14 +15 20 42.2 z 709
1996-06-21 08:15:30 C 18 35 47.94 +15 20 44.6 z 709
1996-06-21 08:19:41 C 18 35 47.73 +15 20 47.3 z 709
1996-06-21 08:23:54 C 18 35 47.53 +15 20 49.9 z 709
1996-06-21 08:28:06 C 18 35 47.33 +15 20 52.5 z 709
1996-07-04 23:23:59 C 18 19 12.22 +17 51 40.9 z 118
1996-07-04 23:30:20 C 18 19 11.87 +17 51 42.5 z 118
1996-07-08 11:39:33 C 18 14 41.74 +18 11 44.5 c 608
1996-07-08 12:31:51 C 18 14 38.78 +18 11 53.7 c 608
1996-07-09 10:44:43 C 18 13 28.52 +18 15 43.7 c 608
1996-07-09 11:31:26 C 18 13 25.88 +18 15 50.9 c 608
1996-07-16 21:52:58 C 18 04 26.00 +18 24 30.8 z 118