163023 (2001 XU1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5464759391 ± 2.00e+00
Semi-major axis (a)0.7973593410 AU ± 3.00e+00
Inclination (i)27.14974541° ± 4.00e+00
Long. of Asc. Node (Ω)69.68292834° ± 5.00e+00
Arg. of Perihelion (ω)208.53650884° ± 6.00e+00
Mean Anomaly (M)349.57924327° ± 2.76e-05
Mean Motion (n)1.3843029573°/day ± 7.81e+00
Perihelion dist (q)0.36162165 AU ± 2.10e+00
Aphelion dist (Q)1.23309704 AU ± 4.91e+00
Orbital Period0.71200186 yr ± 4.02e+00
NGA Modelr2
A25.06464384e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-28
RMS Residual0.372″
Uncertainty0
Orbit TypeAten
MOID0.055768 AU
Observations Used367
Oppositions9
Arc Total2001-2024
First Observation Used2001-11-23
Last Observation Used2024-12-20
Observations (385)
Date Type RA Dec Mag Band Observatory
2001-12-11 05:21:00 C 03 23 50.93 +42 00 54.7 c 670
2001-12-11 06:08:21 C 03 23 29.63 +42 01 19.9 c 670
2001-12-11 06:37:26 C 03 23 16.54 +42 01 33.4 c 670
2001-12-11 07:21:00 C 03 22 57.07 +42 01 54.4 c 670
2001-12-11 22:47:15 C 03 16 30.29 +42 08 21.8 c 587
2001-12-11 22:49:49 C 03 16 29.18 +42 08 22.4 c 587
2001-12-11 22:54:50 C 03 16 27.18 +42 08 24.5 c 587
2001-12-13 05:15:44 C 03 04 57.52 +42 16 29.7 c 670
2001-12-13 06:07:25 C 03 04 38.33 +42 16 38.0 c 670
2001-12-13 06:43:36 C 03 04 25.02 +42 16 43.1 c 670
2001-12-13 19:20:58 C 03 00 06.41 +42 18 05.4 c 198
2001-12-13 19:24:09 C 03 00 05.29 +42 18 05.8 c 198
2001-12-13 19:35:45 C 03 00 01.15 +42 18 07.4 c 198
2001-12-14 17:22:36 C 02 53 04.68 +42 19 00.8 c 198
2001-12-14 17:43:18 C 02 52 58.21 +42 19 01.9 c 198
2001-12-14 18:22:43 C 02 52 45.96 +42 19 03.9 c 198
2001-12-14 18:34:20 C 02 52 42.39 +42 19 04.5 c 198
2001-12-14 22:21:29 C 02 51 31.35 +42 19 01.9 c 118
2001-12-14 22:23:19 C 02 51 30.76 +42 19 01.7 c 118
2001-12-14 22:24:56 C 02 51 30.26 +42 19 01.7 c 118
2001-12-15 20:17:59 C 02 45 18.34 +42 17 57.3 c 185
2001-12-15 20:28:33 C 02 45 15.37 +42 17 56.9 c 185
2001-12-15 20:35:04 C 02 45 13.74 +42 17 56.7 c 185
2001-12-16 19:52:57 C 02 39 13.63 +42 15 20.0 151
2001-12-16 19:54:59 C 02 39 13.09 +42 15 20.0 151
2001-12-16 19:56:51 C 02 39 12.63 +42 15 19.7 151
2001-12-16 20:04:45 C 02 39 10.59 +42 15 18.1 151
2001-12-16 20:05:53 C 02 39 10.34 +42 15 18.0 151
2001-12-16 20:07:02 C 02 39 10.01 +42 15 18.1 151
2001-12-23 03:37:08 C 02 12 07.45 +41 43 30.8 18.7 c 704
2001-12-23 04:21:11 C 02 12 01.50 +41 43 20.7 19.4 c 704
2001-12-23 04:43:16 C 02 11 58.53 +41 43 15.2 18.5 c 704
2001-12-23 05:05:20 C 02 11 55.62 +41 43 09.4 18.8 c 704
2001-12-23 21:21:35 C 02 09 59.08 +41 39 14.7 d 540
2001-12-23 21:27:59 C 02 09 58.23 +41 39 12.4 d 540
2001-12-23 21:34:30 C 02 09 57.52 +41 39 11.1 d 540
2001-12-31 04:57:50 C 01 56 25.56 +41 04 43.7 c 649
2001-12-31 05:05:19 C 01 56 25.18 +41 04 42.3 c 649
2001-12-31 05:12:46 C 01 56 24.79 +41 04 40.8 c 649
2002-01-08 03:50:15 C 01 51 50.98 +40 44 26.1 c 696
2002-01-08 03:55:06 C 01 51 50.93 +40 44 25.4 c 696
2002-02-12 02:47:53 C 02 21 53.13 +41 58 50.7 c 696
2002-02-12 02:53:49 C 02 21 53.53 +41 58 50.9 c 696
2004-11-09 11:52:36 C 10 00 36.42 +26 46 46.5 o 696
2004-11-09 11:56:59 C 10 00 36.95 +26 46 51.0 o 696
2004-11-10 10:21:42 C 10 03 00.56 +27 03 50.6 o 696
2004-11-10 10:29:36 C 10 03 01.20 +27 03 56.0 o 696
2004-12-12 02:36:16 C 11 42 48.72 +41 12 37.5 c 246
2004-12-12 02:37:16 C 11 42 48.98 +41 12 39.3 c 246
2004-12-12 02:38:21 C 11 42 49.11 +41 12 40.3 c 246