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
2021-02-16 12:42:40 C 11 30 40.141 +06 12 22.19 U F52
2021-02-16 13:00:32 C 11 30 39.560 +06 12 31.51 U F52
2021-02-16 13:18:17 C 11 30 38.968 +06 12 40.91 U F52
2021-03-04 15:19:02 C 11 16 13.94 +09 52 44.6 q D29
2021-03-04 15:39:23 C 11 16 13.07 +09 52 56.7 q D29
2021-03-04 15:59:46 C 11 16 12.16 +09 53 09.5 q D29
2021-03-06 07:13:27 C 11 14 33.62 +10 16 22.3 V G96
2021-03-06 07:20:49 C 11 14 33.31 +10 16 26.3 V G96
2021-03-06 07:28:13 C 11 14 33.01 +10 16 30.8 V G96
2021-03-06 07:35:34 C 11 14 32.68 +10 16 35.0 V G96
2021-03-15 06:33:05 C 11 05 23.73 +12 21 44.8 o 691
2021-03-15 06:41:43 C 11 05 23.38 +12 21 50.2 o 691
2021-03-15 06:50:21 C 11 05 22.96 +12 21 54.8 o 691
2021-03-15 08:18:21 C 11 05 19.395 +12 22 45.37 U F52
2021-03-15 08:35:56 C 11 05 18.639 +12 22 55.32 U F52
2021-03-15 08:53:30 C 11 05 17.869 +12 23 05.32 U F52
2021-03-19 07:13:44 C 11 01 21.111 +13 15 25.96 U F51
2021-03-19 07:30:27 C 11 01 20.400 +13 15 35.20 U F51
2021-03-19 08:04:17 C 11 01 18.965 +13 15 53.45 U F51
2021-03-31 06:02:43 C 10 50 28.164 +15 37 31.70 U F51
2021-03-31 06:36:19 C 10 50 27.000 +15 37 46.52 U F51
2021-03-31 06:53:04 C 10 50 26.412 +15 37 54.08 U F51
2021-04-06 05:18:55 C 10 46 00.45 +16 36 26.9 V G96
2021-04-06 05:27:08 C 10 46 00.21 +16 36 29.6 V G96
2021-04-06 05:35:21 C 10 45 59.94 +16 36 32.4 V G96
2021-04-06 05:43:35 C 10 45 59.71 +16 36 35.9 V G96
2022-12-21 08:59:40 C 06 06 26.388 -14 45 52.06 V G96
2022-12-21 09:07:01 C 06 06 25.992 -14 45 50.18 V G96
2022-12-21 09:14:23 C 06 06 25.603 -14 45 49.03 V G96
2022-12-21 09:21:44 C 06 06 25.225 -14 45 47.41 V G96
2023-01-12 07:14:58 C 05 42 21.357 -11 34 25.85 U F52
2023-01-12 07:31:21 C 05 42 20.735 -11 34 17.99 U F52
2023-01-12 08:04:07 C 05 42 19.504 -11 34 01.80 U F52
2023-01-19 07:47:40 C 05 36 56.550 -10 06 51.27 U F52
2023-01-19 08:22:46 C 05 36 55.536 -10 06 32.13 U F52
2023-01-19 08:40:19 C 05 36 55.020 -10 06 22.78 U F52
2023-01-25 06:01:01 C 05 33 30.940 -08 47 35.42 U F51
2023-01-25 06:41:35 C 05 33 30.076 -08 47 12.40 U F51
2023-01-25 07:01:51 C 05 33 29.631 -08 47 00.82 U F51
2023-01-26 05:29:51 C 05 33 03.024 -08 34 12.68 V G96
2023-01-26 05:37:16 C 05 33 02.876 -08 34 07.86 V G96
2023-01-26 05:44:41 C 05 33 02.732 -08 34 04.48 V G96
2023-01-26 05:52:06 C 05 33 02.585 -08 33 59.62 V G96
2024-02-05 12:40:26 C 11 21 29.906 +03 51 13.65 X F52
2024-02-05 12:56:41 C 11 21 29.491 +03 51 20.67 X F52
2024-02-05 13:12:57 C 11 21 29.072 +03 51 27.68 X F52
2024-02-18 12:18:31 C 11 12 00.319 +06 21 37.38 X F52
2024-02-18 12:36:29 C 11 11 59.654 +06 21 46.82 X F52
2024-02-18 12:54:23 C 11 11 58.988 +06 21 56.35 X F52
2024-03-01 11:46:09 C 11 00 43.006 +09 00 55.48 X F51