856574 (2011 UG256)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3504333763 ± 5.30e-08
Semi-major axis (a)1.9603808547 AU ± 2.47e-09
Inclination (i)26.19732186° ± 1.14e-05
Long. of Asc. Node (Ω)222.66820414° ± 5.05e-06
Arg. of Perihelion (ω)132.82252036° ± 2.32e-05
Mean Anomaly (M)64.62685053° ± 1.56e-05
Mean Motion (n)0.3590885832°/day ± 6.80e-10
Perihelion dist (q)1.27339797 AU ± 1.04e-07
Aphelion dist (Q)2.64736374 AU ± 1.04e-07
Orbital Period2.74479983 yr ± 5.19e-09
Physical Parameters
H (abs. magnitude)20.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.283″
Uncertainty0
Orbit TypeAmor
MOID0.354870 AU
Observations Used181
Oppositions7
Arc Total2011-2022
First Observation Used2011-10-31
Last Observation Used2022-12-14
Observations (183)
Date Type RA Dec Mag Band Observatory
2022-10-21 09:03:03 C 04 02 28.043 +27 33 00.79 V 703
2022-10-23 09:41:33 C 04 01 28.082 +25 33 19.99 U F52
2022-10-23 10:00:41 C 04 01 27.551 +25 32 32.88 U F52
2022-10-23 10:36:32 C 04 01 26.524 +25 31 04.30 U F51
2022-10-23 10:39:17 C 04 01 26.445 +25 30 57.41 U F52
2022-10-23 10:53:13 C 04 01 26.048 +25 30 23.09 U F51
2022-10-23 11:26:47 C 04 01 25.070 +25 29 00.01 U F51
2022-10-25 07:20:19 C 04 00 19.130 +23 38 55.82 V G96
2022-10-25 07:27:43 C 04 00 18.900 +23 38 37.21 V G96
2022-10-25 07:35:06 C 04 00 18.659 +23 38 18.17 V G96
2022-10-25 07:42:28 C 04 00 18.403 +23 37 59.81 V G96
2022-10-31 00:46:52 C 03 55 56.03 +17 49 13.8 V K88
2022-10-31 00:50:19 C 03 55 55.84 +17 49 04.8 V K88
2022-10-31 01:07:34 C 03 55 55.16 +17 48 21.7 V K88
2022-10-31 01:12:00 C 03 55 55.00 +17 48 09.5 V K88
2022-10-31 01:16:26 C 03 55 54.85 +17 47 58.1 V K88
2022-10-31 08:59:31 C 03 55 39.294 +17 28 30.17 U F52
2022-10-31 09:19:32 C 03 55 38.482 +17 27 39.90 U F52
2022-10-31 09:39:35 C 03 55 37.648 +17 26 49.16 U F52
2022-10-31 09:59:39 C 03 55 36.824 +17 25 58.52 U F52
2022-10-31 10:01:53 C 03 55 36.726 +17 25 52.82 U F52
2022-10-31 10:17:29 C 03 55 36.077 +17 25 13.50 U F52
2022-10-31 10:48:42 C 03 55 34.771 +17 23 54.47 U F52
2022-11-19 07:02:04 C 03 37 34.388 +00 42 04.36 V G96
2022-11-19 07:09:33 C 03 37 34.086 +00 41 51.50 V G96
2022-11-19 07:18:43 C 03 37 33.712 +00 41 35.74 V G96
2022-11-19 07:26:08 C 03 37 33.402 +00 41 22.85 V G96
2022-11-24 09:54:51 C 03 33 20.899 -02 30 53.70 U F52
2022-11-24 10:31:41 C 03 33 19.582 -02 31 45.75 U F52
2022-11-24 10:50:08 C 03 33 18.921 -02 32 11.64 U F52
2022-12-14 07:36:40 C 03 25 08.169 -09 28 14.17 U F51
2022-12-14 08:08:38 C 03 25 07.997 -09 28 27.62 U F51
2022-12-14 08:24:36 C 03 25 07.920 -09 28 34.33 U F51