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
2024-06-02 11:06:22 C 16 09 12.485 +40 39 31.32 V T05
2024-06-02 11:14:12 C 16 09 12.094 +40 39 46.73 V T05
2024-06-04 08:19:42 C 16 07 15.912 +42 06 57.96 V T08
2024-06-04 08:24:22 C 16 07 15.674 +42 07 06.89 V T08
2024-06-04 08:30:35 C 16 07 15.386 +42 07 18.01 V T08
2024-06-04 08:41:47 C 16 07 14.794 +42 07 39.40 V T08
2024-06-04 08:49:35 C 16 07 13.256 +42 07 48.14 V 703
2024-06-04 08:52:53 C 16 07 13.094 +42 07 55.27 V 703
2024-06-04 08:56:11 C 16 07 12.911 +42 08 00.42 V 703
2024-06-04 08:59:29 C 16 07 12.788 +42 08 06.54 V 703
2024-06-04 09:55:50 C 16 07 11.136 +42 09 56.30 V T05
2024-06-04 10:03:33 C 16 07 10.723 +42 10 10.78 V T05
2024-06-04 10:08:07 C 16 07 10.507 +42 10 19.24 V T05
2024-06-04 10:54:56 C 16 07 08.170 +42 11 45.13 V T05
2024-06-06 09:14:19 C 16 05 10.208 +43 33 42.26 V 703
2024-06-06 09:20:50 C 16 05 10.068 +43 33 55.98 V 703
2024-06-06 09:24:05 C 16 05 09.816 +43 34 01.85 V 703
2024-06-10 08:45:56 C 16 01 23.650 +46 02 08.92 V T05
2024-06-10 08:50:29 C 16 01 23.527 +46 02 14.93 V T05
2024-06-10 08:58:18 C 16 01 23.189 +46 02 26.05 V T05
2024-06-10 09:18:02 C 16 01 21.245 +46 02 46.25 V 703
2024-06-10 09:21:18 C 16 01 21.104 +46 02 50.68 V 703
2024-06-10 09:24:33 C 16 01 20.964 +46 02 56.47 V 703
2024-06-10 09:27:49 C 16 01 20.834 +46 02 59.42 V 703
2024-06-10 09:39:33 C 16 01 21.319 +46 03 24.23 V T05
2024-06-10 09:44:06 C 16 01 21.125 +46 03 30.49 V T05
2024-06-10 10:33:50 C 16 01 18.914 +46 04 40.37 V T05
2024-06-10 10:48:14 C 16 01 18.264 +46 04 59.95 V T05
2024-06-12 06:43:21 C 15 59 42.673 +47 04 09.01 V G96
2024-06-12 06:51:02 C 15 59 42.364 +47 04 18.91 V G96
2024-06-12 06:58:39 C 15 59 42.047 +47 04 28.56 V G96
2024-06-12 07:06:13 C 15 59 41.737 +47 04 38.28 V G96
2024-06-12 07:57:42 C 15 59 39.620 +47 05 43.94 V 703
2024-06-12 08:03:31 C 15 59 39.433 +47 05 51.47 V 703
2024-06-12 08:06:25 C 15 59 39.210 +47 05 53.56 V 703
2024-06-12 09:33:13 C 15 59 36.734 +47 07 51.31 V T08
2024-06-12 09:38:13 C 15 59 36.530 +47 07 57.58 V T08
2024-06-12 09:45:43 C 15 59 36.240 +47 08 07.08 V T08
2024-06-12 10:01:15 C 15 59 35.585 +47 08 27.02 V T08
2024-06-14 09:06:32 C 15 58 00.686 +48 05 58.20 V T05
2024-06-14 09:11:59 C 15 58 00.377 +48 06 05.11 V T05
2024-06-14 09:20:28 C 15 58 00.079 +48 06 14.90 V T05
2024-06-14 09:36:46 C 15 57 59.429 +48 06 33.41 V T05
2024-06-18 09:15:01 C 15 55 11.926 +49 47 21.95 V T05
2024-06-18 09:19:39 C 15 55 11.602 +49 47 25.80 V T05
2024-06-18 09:27:28 C 15 55 11.474 +49 47 33.40 V T05
2024-06-18 09:42:28 C 15 55 10.968 +49 47 47.58 V T05
2024-06-24 19:18:58 C 15 52 04.161 +51 51 38.02 W M01
2024-06-24 20:31:09 C 15 52 02.527 +51 52 25.48 W M01
2024-06-28 08:50:11 C 15 51 06.655 +52 43 49.37 V T08