503892 (2001 UF18)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6097312253 ± 1.78e-07
Semi-major axis (a)1.1411379828 AU ± 2.17e-09
Inclination (i)31.25864750° ± 2.12e-05
Long. of Asc. Node (Ω)45.95933208° ± 7.60e-06
Arg. of Perihelion (ω)202.60929277° ± 1.31e-05
Mean Anomaly (M)340.13822107° ± 3.36e-05
Mean Motion (n)0.8085465615°/day ± 2.30e-09
Perihelion dist (q)0.44535052 AU ± 2.03e-07
Aphelion dist (Q)1.83692544 AU ± 2.03e-07
Orbital Period1.21900993 yr ± 3.47e-09
Physical Parameters
H (abs. magnitude)19.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.354″
Uncertainty0
Orbit TypeApollo
MOID0.311366 AU
Observations Used155
Oppositions4
Arc Total2001-2023
First Observation Used2001-10-26
Last Observation Used2023-12-04
Observations (157)
Date Type RA Dec Mag Band Observatory
2012-10-15 09:49:50 C 03 53 25.65 -12 44 27.7 r 703
2012-10-15 09:57:08 C 03 53 23.74 -12 44 21.9 r 703
2012-10-21 06:56:58 C 03 17 38.60 -10 18 01.3 18.8 c 704
2012-10-21 07:17:13 C 03 17 33.49 -10 17 37.5 19.5 c 704
2012-10-21 07:37:29 C 03 17 28.28 -10 17 16.3 19.3 c 704
2012-10-21 07:57:42 C 03 17 23.15 -10 16 52.9 19.2 c 704
2012-10-21 08:18:02 C 03 17 18.00 -10 16 30.0 19.0 c 704
2012-10-25 02:51:10 C 02 55 19.01 -08 31 37.9 t 204
2012-10-25 02:56:46 C 02 55 17.69 -08 31 31.6 t 204
2012-10-25 03:02:24 C 02 55 16.32 -08 31 24.6 t 204
2012-11-02 06:17:53 C 02 13 45.26 -04 39 12.5 r 703
2012-11-02 06:32:32 C 02 13 42.45 -04 38 55.8 r 703
2012-11-02 06:47:11 C 02 13 39.68 -04 38 40.0 r 703
2012-11-02 07:01:51 C 02 13 36.76 -04 38 22.6 r 703
2012-11-02 09:37:38 c 02 13 07.798 -04 35 18.99 L F51
2012-11-02 09:55:58 c 02 13 04.290 -04 34 57.75 L F51
2012-11-07 05:44:00 C 01 53 18.06 -02 25 04.0 r 703
2012-11-07 05:55:31 C 01 53 16.18 -02 24 52.1 r 703
2012-11-07 06:06:59 C 01 53 14.38 -02 24 39.2 r 703
2012-12-06 01:27:52 C 00 59 06.57 +07 04 04.2 r G96
2012-12-06 01:35:44 C 00 59 06.43 +07 04 09.2 r G96
2012-12-06 01:41:47 C 00 59 06.32 +07 04 13.0 r G96
2012-12-06 01:48:01 C 00 59 06.14 +07 04 17.3 r G96
2016-11-06 13:32:17 C 06 17 51.011 +46 35 47.68 L F51
2016-11-06 13:50:02 C 06 17 49.935 +46 36 06.93 L F51
2016-11-06 14:07:48 C 06 17 48.884 +46 36 25.98 L F51
2017-10-20 11:15:31 C 04 38 06.79 +22 22 58.8 U G96
2017-10-20 11:23:44 C 04 38 05.88 +22 23 04.4 U G96
2017-10-20 11:31:57 C 04 38 04.95 +22 23 10.4 U G96
2017-10-20 11:40:09 C 04 38 03.99 +22 23 15.0 U G96
2017-10-21 09:53:29 C 04 35 34.99 +22 37 36.6 U G96
2017-10-21 10:02:35 C 04 35 33.90 +22 37 42.5 U G96
2017-10-21 10:20:43 C 04 35 31.89 +22 37 53.7 U G96
2017-10-27 09:12:45 C 04 17 45.10 +24 06 44.1 U G96
2017-10-27 09:19:59 C 04 17 44.07 +24 06 49.0 U G96
2017-10-27 09:27:00 C 04 17 43.10 +24 06 52.9 U G96
2017-11-08 12:29:56 C 03 34 21.272 +26 28 32.11 L F51
2017-11-08 12:47:37 C 03 34 18.418 +26 28 38.21 L F51
2017-11-08 13:05:17 C 03 34 15.569 +26 28 44.31 L F51
2017-11-18 05:59:35 C 02 58 09.38 +27 23 13.8 U G96
2017-11-18 06:05:43 C 02 58 08.46 +27 23 14.2 U G96
2017-11-18 06:11:53 C 02 58 07.55 +27 23 15.4 U G96
2017-11-18 06:18:52 C 02 58 06.40 +27 23 16.1 U G96
2021-12-12 10:37:35 C 08 28 16.19 +70 55 18.6 V I52
2022-12-21 04:53:05 C 02 33 17.222 +43 19 43.79 V V00
2022-12-21 05:00:15 C 02 33 16.506 +43 19 40.91 V V00
2022-12-21 05:07:24 C 02 33 15.797 +43 19 38.14 V V00
2022-12-21 05:14:32 C 02 33 15.098 +43 19 35.33 V V00
2023-10-05 11:06:58 C 04 52 00.016 -02 33 41.58 V 703
2023-10-05 11:22:13 C 04 51 57.622 -02 33 34.74 V 703