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
2024-06-28 08:54:14 C 15 51 06.593 +52 43 51.92 V T08
2024-06-28 09:03:16 C 15 51 06.499 +52 43 56.03 V T08
2024-06-28 09:18:12 C 15 51 06.312 +52 44 04.16 V T08
2024-07-04 08:35:35 C 15 50 52.394 +53 49 24.10 V T05
2024-07-04 08:40:49 C 15 50 52.306 +53 49 26.11 V T05
2024-07-04 08:50:14 C 15 50 52.318 +53 49 28.60 V T05
2024-07-04 09:06:35 C 15 50 52.248 +53 49 35.29 V T05
2024-07-05 06:49:12 C 15 51 00.276 +53 57 22.99 X F52
2024-07-05 07:10:00 C 15 51 00.283 +53 57 30.39 X F52
2024-07-05 07:30:48 C 15 51 00.259 +53 57 37.26 X F52
2024-07-05 07:51:37 C 15 51 00.275 +53 57 44.88 X F52
2024-07-05 18:33:35 C 15 51 04.924 +54 01 20.47 W M01
2024-07-05 20:05:34 C 15 51 05.055 +54 01 51.64 W M01
2024-07-05 20:51:03 C 15 51 05.182 +54 02 05.06 W M01
2024-07-08 19:05:28 C 15 51 51.025 +54 23 02.32 W M01
2024-07-08 21:20:52 C 15 51 52.149 +54 23 35.06 W M01
2024-07-08 23:06:06 C 15 51 53.369 +54 23 59.93 W M01
2024-07-30 08:03:03 C 16 10 32.242 +55 01 26.62 V T08
2024-07-30 08:03:46 C 16 10 32.165 +55 01 27.70 V T08
2024-07-30 08:04:26 C 16 10 32.347 +55 01 26.98 V T08
2024-07-30 08:13:11 C 16 10 32.796 +55 01 24.92 V T08
2024-07-30 08:33:38 C 16 10 33.854 +55 01 23.45 V T08
2024-08-03 07:19:18 C 16 16 27.082 +54 50 34.94 V T08
2024-08-03 07:24:14 C 16 16 27.454 +54 50 33.07 V T08
2024-08-03 07:41:58 C 16 16 28.517 +54 50 32.53 V T08
2024-08-03 07:47:25 C 16 16 28.738 +54 50 30.62 V T08
2024-08-03 07:54:57 C 16 16 29.249 +54 50 29.11 V T08
2024-09-13 04:06:38 C 18 03 21.769 +47 09 54.68 V G96
2024-09-13 04:14:49 C 18 03 22.954 +47 09 46.94 V G96
2024-09-13 04:22:59 C 18 03 24.160 +47 09 39.31 V G96
2024-09-13 04:31:09 C 18 03 25.369 +47 09 31.68 V G96
2024-09-22 05:39:43 C 18 38 00.362 +43 19 47.68 V G96
2024-09-22 05:47:11 C 18 38 01.586 +43 19 38.39 V G96
2024-09-22 05:54:40 C 18 38 02.800 +43 19 29.06 V G96
2024-09-22 06:02:08 C 18 38 04.016 +43 19 19.92 V G96
2024-11-14 04:06:07 C 22 13 30.896 +08 04 18.48 V G96
2024-11-14 04:14:11 C 22 13 32.056 +08 04 07.54 V G96
2024-11-14 04:22:15 C 22 13 33.226 +08 03 56.70 V G96
2024-11-14 04:30:19 C 22 13 34.374 +08 03 45.65 V G96
2024-11-15 04:06:33 C 22 17 00.964 +07 32 29.11 V G96
2024-11-15 04:14:35 C 22 17 02.112 +07 32 18.56 V G96
2024-11-15 04:22:38 C 22 17 03.250 +07 32 07.73 V G96
2024-11-15 04:30:41 C 22 17 04.409 +07 31 57.18 V G96
2024-11-29 05:21:30 C 23 02 59.601 +01 34 56.06 X F51
2024-11-29 05:41:06 C 23 03 02.032 +01 34 40.08 X F51
2024-11-29 06:00:47 C 23 03 04.520 +01 34 23.78 X F51
2024-11-29 06:20:28 C 23 03 06.985 +01 34 07.60 X F51
2024-12-01 11:44:58 C 23 09 53.47 +00 52 03.5 V D29
2024-12-01 11:46:15 C 23 09 53.64 +00 52 02.3 V D29
2024-12-01 12:05:20 C 23 09 55.98 +00 51 48.3 V D29