275545 (1998 UN1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2209465239 ± 2.89e-08
Semi-major axis (a)1.5134686470 AU ± 1.10e-09
Inclination (i)32.42431977° ± 4.83e-06
Long. of Asc. Node (Ω)217.84805156° ± 3.68e-06
Arg. of Perihelion (ω)87.72191665° ± 1.10e-05
Mean Anomaly (M)248.63036815° ± 8.23e-06
Mean Motion (n)0.5293612332°/day ± 5.75e-10
Perihelion dist (q)1.17907301 AU ± 4.38e-08
Aphelion dist (Q)1.84786428 AU ± 4.38e-08
Orbital Period1.86191625 yr ± 2.02e-09
Physical Parameters
H (abs. magnitude)18.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.339″
Uncertainty0
Orbit TypeAmor
MOID0.377078 AU
Observations Used577
Oppositions12
Arc Total1998-2024
First Observation Used1998-10-19
Last Observation Used2024-12-26
Observations (611)
Date Type RA Dec Mag Band Observatory
2024-04-17 11:01:52 C 16 31 33.046 -16 31 40.08 V G96
2024-04-17 11:07:21 C 16 31 33.146 -16 31 26.44 V G96
2024-04-17 11:12:50 C 16 31 33.247 -16 31 13.01 V G96
2024-04-18 12:25:55 C 16 32 05.607 -15 27 45.21 X F52
2024-04-18 12:41:05 C 16 32 05.836 -15 27 06.46 X F52
2024-04-18 12:56:16 C 16 32 06.058 -15 26 27.65 X F52
2024-04-18 13:11:27 C 16 32 06.284 -15 25 48.77 X F52
2024-04-19 00:41:38 C 16 32 19.896 -14 55 52.07 V M22
2024-04-19 00:44:58 C 16 32 19.946 -14 55 42.89 V M22
2024-04-19 00:49:32 C 16 32 19.997 -14 55 31.40 V M22
2024-04-19 00:56:47 C 16 32 20.083 -14 55 12.65 V M22
2024-04-20 00:09:44 C 16 32 45.314 -13 53 53.23 V M22
2024-04-20 00:13:03 C 16 32 45.346 -13 53 44.70 V M22
2024-04-20 00:16:59 C 16 32 45.401 -13 53 33.90 V M22
2024-04-20 00:55:09 C 16 32 45.874 -13 51 51.91 V M22
2024-04-20 23:05:42 C 16 33 07.560 -12 51 30.53 V M22
2024-04-20 23:08:19 C 16 33 07.622 -12 51 23.04 V M22
2024-04-20 23:12:56 C 16 33 07.661 -12 51 10.12 V M22
2024-04-20 23:20:19 C 16 33 07.716 -12 50 49.88 V M22
2024-04-21 17:19:06 C 16 33 23.062 -12 00 42.26 V P07
2024-04-21 18:11:33 C 16 33 23.518 -11 58 13.94 V P07
2024-04-21 19:03:29 C 16 33 23.880 -11 55 47.46 V P07
2024-04-21 20:13:03 C 16 33 24.458 -11 52 30.14 V P07
2024-04-29 01:53:32 C 16 34 22.174 -02 52 03.72 V M22
2024-04-29 01:58:47 C 16 34 22.145 -02 51 45.22 V M22
2024-04-29 02:07:19 C 16 34 22.114 -02 51 16.74 V M22
2024-04-29 02:24:31 C 16 34 21.974 -02 50 18.64 V M22
2024-05-02 11:27:34 C 16 33 54.281 +01 50 15.68 V T05
2024-05-02 11:32:13 C 16 33 54.233 +01 50 32.32 V T05
2024-05-02 11:36:47 C 16 33 54.151 +01 50 48.44 V T05
2024-05-02 11:44:35 C 16 33 54.048 +01 51 16.16 V T05
2024-05-03 11:55:00 C 16 33 38.628 +03 17 36.51 X F51
2024-05-03 12:13:12 C 16 33 38.306 +03 18 41.80 X F51
2024-05-03 12:31:24 C 16 33 37.984 +03 19 47.25 X F51
2024-05-04 09:35:28 C 16 33 22.014 +04 35 42.58 V G96
2024-05-04 09:42:57 C 16 33 21.884 +04 36 09.61 V G96
2024-05-04 09:50:26 C 16 33 21.730 +04 36 36.79 V G96
2024-05-04 09:57:52 C 16 33 21.604 +04 37 03.72 V G96
2024-05-06 09:25:52 C 16 32 37.309 +07 30 08.35 V 703
2024-05-06 09:29:11 C 16 32 37.255 +07 30 20.16 V 703
2024-05-06 09:32:31 C 16 32 37.194 +07 30 32.58 V 703
2024-05-06 09:35:50 C 16 32 37.097 +07 30 44.86 V 703
2024-05-06 09:40:11 C 16 32 38.064 +07 31 04.44 V T05
2024-05-06 09:42:48 C 16 32 38.004 +07 31 13.76 V T05
2024-05-06 09:50:00 C 16 32 37.826 +07 31 40.51 V T05
2024-05-06 09:57:49 C 16 32 37.649 +07 32 09.02 V T05
2024-05-06 23:23:19 C 16 32 22.546 +08 21 44.89 V M22
2024-05-06 23:27:16 C 16 32 22.418 +08 21 59.18 V M22
2024-05-06 23:39:11 C 16 32 22.133 +08 22 43.07 V M22
2024-05-07 00:15:16 C 16 32 21.276 +08 24 55.58 V M22