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
2025-03-29 09:10:05 C 11 56 40.875 -07 08 17.63 X F52
2025-03-29 09:25:40 C 11 56 40.113 -07 08 07.32 X F52
2025-04-21 03:00:48 C 11 36 31.295 -01 33 29.16 V G96
2025-04-21 03:08:50 C 11 36 31.097 -01 33 25.24 V G96
2025-04-21 03:16:51 C 11 36 30.884 -01 33 20.84 V G96
2025-04-21 03:24:52 C 11 36 30.672 -01 33 16.81 V G96
2025-04-25 06:07:03 C 11 34 24.656 -00 43 52.96 X F51
2025-04-25 06:25:01 C 11 34 24.292 -00 43 44.63 X F51
2025-04-25 06:43:04 C 11 34 23.928 -00 43 35.87 X F51
2025-04-25 07:01:10 C 11 34 23.552 -00 43 27.36 X F51
2025-04-30 14:10:07 C 11 32 29.997 +00 13 04.16 W O18
2025-04-30 15:46:53 C 11 32 28.778 +00 13 44.13 W O18
2025-04-30 15:48:39 C 11 32 28.759 +00 13 44.66 W O18
2025-05-01 14:13:58 C 11 32 14.691 +00 22 51.21 W O18
2025-05-01 15:45:51 C 11 32 13.650 +00 23 27.75 W O18
2025-05-01 15:47:38 C 11 32 13.632 +00 23 28.61 W O18
2025-05-19 14:32:18 C 11 32 57.777 +02 29 08.54 W O18
2025-05-19 15:19:01 C 11 32 58.319 +02 29 17.21 W O18