3271 Ul (1982 RB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3955389467 ± 5.53e-08
Semi-major axis (a)2.1017795977 AU ± 7.96e-09
Inclination (i)25.06799195° ± 4.46e-06
Long. of Asc. Node (Ω)158.80479021° ± 8.06e-06
Arg. of Perihelion (ω)159.09827000° ± 2.45e-05
Mean Anomaly (M)73.99224757° ± 3.65e-05
Mean Motion (n)0.3234681452°/day ± 1.84e-09
Perihelion dist (q)1.27044391 AU ± 1.16e-07
Aphelion dist (Q)2.93311529 AU ± 1.17e-07
Orbital Period3.04705826 yr ± 1.73e-08
Physical Parameters
H (abs. magnitude)16.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.237″
Uncertainty0
Orbit TypeAmor
MOID0.274902 AU
Observations Used305
Oppositions30
Arc Total1982-2026
First Observation Used1982-09-14
Last Observation Used2026-02-09
Observations (319)
Date Type RA Dec Mag Band Observatory
2025-12-26 09:36:20 C 05 34 21.492 -15 40 52.05 X F51
2025-12-26 09:53:21 C 05 34 20.645 -15 40 46.20 X F51
2025-12-26 10:10:23 C 05 34 19.808 -15 40 40.13 X F51
2025-12-26 10:27:28 C 05 34 18.966 -15 40 34.06 X F51
2026-01-18 04:25:05 C 05 14 45.794 -11 15 40.57 V G96
2026-01-18 04:32:28 C 05 14 45.586 -11 15 36.07 V G96
2026-01-18 04:39:52 C 05 14 45.388 -11 15 31.79 V G96
2026-01-18 04:47:16 C 05 14 45.251 -11 15 27.90 V G96
2026-01-28 07:04:02 C 05 11 02.395 -08 51 18.61 X F52
2026-01-28 07:20:57 C 05 11 02.247 -08 51 08.49 X F52
2026-01-28 07:37:49 C 05 11 02.065 -08 50 58.15 X F52
2026-01-28 07:54:44 C 05 11 01.883 -08 50 47.95 X F52
2026-02-05 07:12:44 C 05 10 19.397 -06 54 56.12 X F52
2026-02-05 07:30:48 C 05 10 19.403 -06 54 45.46 X F52
2026-02-05 07:48:40 C 05 10 19.400 -06 54 34.74 X F52
2026-02-09 05:26:47 C 05 10 38.730 -05 58 23.56 V G96
2026-02-09 05:34:58 C 05 10 38.795 -05 58 18.59 V G96
2026-02-09 05:43:08 C 05 10 38.773 -05 58 13.37 V G96
2026-02-09 05:51:19 C 05 10 38.885 -05 58 08.62 V G96