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
1996-07-16 21:58:07 C 18 04 25.70 +18 24 30.9 z 118
1996-07-18 22:27:48 C 18 02 11.52 +18 20 14.6 z 118
1996-07-18 22:51:43 C 18 02 10.28 +18 20 11.1 z 118
1996-07-20 22:54:40 C 18 00 04.84 +18 13 14.6 z 118
1996-07-20 22:58:40 C 18 00 04.59 +18 13 14.5 z 118
1996-07-23 03:40:59 C 17 57 57.11 +18 02 36.1 i 711
1996-07-23 03:59:54 C 17 57 56.26 +18 02 31.6 i 711
1996-08-23 05:14:47 C 17 52 04.01 +11 08 12.2 z 658
1996-08-23 05:17:41 C 17 52 04.03 +11 08 09.1 z 658
1996-08-23 05:20:23 C 17 52 04.10 +11 08 07.5 z 658
1996-08-24 05:18:10 C 17 52 43.90 +10 49 08.2 z 658
1996-08-24 05:24:40 C 17 52 44.10 +10 49 03.0 z 658
1996-08-24 05:31:59 C 17 52 44.29 +10 48 57.2 z 658
1996-12-06 11:27:40 C 22 43 48.28 -13 17 15.8 381
1996-12-06 11:32:06 C 22 43 48.91 -13 17 15.5 381
1998-04-21 01:23:25 C 15 02 37.02 -06 06 13.4 557
1998-04-21 01:39:57 C 15 02 36.30 -06 06 03.4 557
2000-02-10 11:07:05 C 12 57 51.13 -15 45 48.0 z 711
2000-02-12 10:11:05 C 12 57 40.20 -15 40 21.7 z 711
2002-02-14 06:56:13 C 09 57 21.19 -12 22 52.3 c 711
2002-02-14 07:09:14 C 09 57 20.58 -12 22 46.7 c 711
2002-02-14 07:22:14 C 09 57 19.89 -12 22 40.2 c 711
2002-02-21 05:42:12 C 09 48 41.318 -10 45 53.46 W 644
2002-02-21 06:12:32 C 09 48 39.698 -10 45 34.38 W 644
2002-02-21 06:42:42 C 09 48 38.136 -10 45 15.62 W 644
2003-06-22 01:28:41 C 23 15 17.84 +20 51 33.5 d 941
2003-06-22 01:32:00 C 23 15 18.23 +20 51 37.0 d 941
2003-06-22 01:33:40 C 23 15 18.42 +20 51 38.4 d 941
2003-06-22 01:35:19 C 23 15 18.65 +20 51 40.3 d 941
2003-07-04 08:54:45 C 23 51 17.48 +24 59 43.3 o 699
2003-07-04 09:14:08 C 23 51 19.84 +24 59 59.8 o 699
2003-07-04 09:33:31 C 23 51 22.35 +25 00 14.4 o 699
2003-07-04 09:52:47 C 23 51 24.67 +25 00 28.9 o 699
2003-07-05 09:00:38 C 23 54 21.86 +25 18 45.2 19.3 c 704
2003-07-05 09:15:02 C 23 54 23.63 +25 18 54.4 19.7 c 704
2003-07-05 09:29:26 C 23 54 25.40 +25 19 06.2 19.3 c 704
2003-07-05 09:43:49 C 23 54 27.33 +25 19 17.4 19.7 c 704
2003-07-05 09:58:10 C 23 54 29.09 +25 19 28.7 19.6 c 704
2003-08-04 01:05:39 C 01 36 16.87 +31 59 35.9 d 170
2003-08-04 01:07:53 C 01 36 17.20 +31 59 36.7 d 170
2003-08-04 01:09:01 C 01 36 17.37 +31 59 37.0 d 170
2003-08-20 07:41:18 C 02 39 35.51 +32 08 46.1 m 859
2003-08-20 07:47:21 C 02 39 36.20 +32 08 40.6 m 859
2003-08-21 09:10:10 C 02 43 46.91 +32 01 56.3 19.1 c 704
2003-08-21 09:27:41 C 02 43 49.74 +32 01 53.1 19.4 c 704
2003-08-21 09:45:11 C 02 43 52.52 +32 01 49.1 19.7 c 704
2003-08-21 10:02:43 C 02 43 55.32 +32 01 44.1 19.7 c 704
2003-08-23 10:57:55 C 02 51 56.22 +31 46 29.1 c 670
2003-08-23 11:03:45 C 02 51 57.15 +31 46 27.8 c 670
2003-08-30 12:20:33 C 03 19 18.84 +30 26 01.0 c 670