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
2024-05-26 20:56:31 B 16 16 11.87 +34 36 18.3 V 130
2024-05-26 21:00:59 B 16 16 11.69 +34 36 29.9 V 130
2024-05-26 21:04:20 B 16 16 11.53 +34 36 38.2 V 130
2024-05-27 10:25:05 C 16 15 35.786 +35 10 59.02 V T05
2024-05-27 11:13:46 C 16 15 33.379 +35 13 02.17 V T05
2024-05-27 11:17:51 C 16 15 33.173 +35 13 12.68 V T05
2024-05-27 11:25:40 C 16 15 32.782 +35 13 32.52 V T05
2024-05-27 20:15:38 C 16 15 10.594 +35 35 34.69 Z M38
2024-05-27 20:18:12 C 16 15 10.423 +35 35 41.75 Z M38
2024-05-28 10:25:53 C 16 14 32.499 +36 10 48.67 X F52
2024-05-28 10:42:08 C 16 14 31.667 +36 11 28.41 X F52
2024-05-28 10:58:23 C 16 14 30.834 +36 12 08.06 X F52
2024-05-28 11:11:00 C 16 14 30.221 +36 12 38.34 V T05
2024-05-28 11:14:43 C 16 14 30.002 +36 12 47.74 X F52
2024-05-28 11:15:37 C 16 14 29.894 +36 12 50.76 V T05
2024-05-28 12:05:42 C 16 14 27.420 +36 14 51.22 V T05
2024-05-28 12:46:35 C 16 14 25.382 +36 16 29.86 V T05
2024-05-29 06:16:43 C 16 13 40.41 +36 58 32.4 Z U94
2024-05-29 06:39:08 C 16 13 39.29 +36 59 25.9 Z U94
2024-05-29 07:00:25 C 16 13 38.22 +37 00 16.6 Z U94
2024-05-29 08:26:10 C 16 13 33.812 +37 03 41.04 V G96
2024-05-29 08:33:45 C 16 13 33.438 +37 03 58.86 V G96
2024-05-29 08:41:18 C 16 13 33.056 +37 04 16.54 V G96
2024-05-29 08:48:52 C 16 13 32.682 +37 04 34.32 V G96
2024-05-30 10:09:31 C 16 12 26.028 +38 03 24.52 V T08
2024-05-30 10:13:46 C 16 12 25.735 +38 03 33.77 V T08
2024-05-30 10:23:15 C 16 12 25.274 +38 03 55.73 V T08
2024-05-30 11:14:45 C 16 12 22.642 +38 05 52.22 V T08
2024-05-31 08:44:52 C 16 11 25.508 +38 53 42.40 V 703
2024-05-31 08:48:10 C 16 11 25.188 +38 53 48.66 V 703
2024-05-31 08:51:27 C 16 11 25.066 +38 53 56.76 V 703
2024-05-31 08:54:45 C 16 11 24.925 +38 54 04.10 V 703
2024-05-31 09:50:00 C 16 11 23.292 +38 56 09.96 V T05
2024-05-31 09:54:26 C 16 11 23.042 +38 56 19.72 V T05
2024-05-31 09:57:12 C 16 11 22.903 +38 56 25.08 V T08
2024-05-31 10:08:06 C 16 11 22.306 +38 56 49.52 V T08
2024-05-31 10:40:57 C 16 11 20.640 +38 58 00.88 V T05
2024-05-31 10:48:58 C 16 11 20.251 +38 58 18.66 V T05
2024-05-31 10:52:12 C 16 11 20.045 +38 58 25.86 V T08
2024-05-31 10:56:16 C 16 11 19.834 +38 58 34.46 V T08
2024-06-01 09:48:00 C 16 10 19.752 +39 47 31.67 V T05
2024-06-01 09:57:36 C 16 10 19.248 +39 47 51.29 V T05
2024-06-01 10:02:09 C 16 10 19.013 +39 48 00.79 V T05
2024-06-01 10:47:47 C 16 10 16.702 +39 49 36.26 V T05
2024-06-02 07:26:20 C 16 09 22.399 +40 32 03.73 V 703
2024-06-02 07:29:45 C 16 09 22.234 +40 32 11.08 V 703
2024-06-02 07:33:10 C 16 09 22.050 +40 32 17.92 V 703
2024-06-02 07:36:29 C 16 09 21.953 +40 32 25.01 V 703
2024-06-02 10:32:53 C 16 09 14.206 +40 38 24.68 V T05
2024-06-02 10:37:27 C 16 09 13.949 +40 38 33.94 V T05