504033 (2005 UN157)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8583427506 ± 1.04e-07
Semi-major axis (a)2.5115712772 AU ± 2.11e-08
Inclination (i)44.37743091° ± 3.46e-05
Long. of Asc. Node (Ω)21.46049173° ± 7.52e-06
Arg. of Perihelion (ω)210.12761487° ± 2.17e-05
Mean Anomaly (M)48.15653636° ± 2.68e-05
Mean Motion (n)0.2476247297°/day ± 3.12e-09
Perihelion dist (q)0.35578228 AU ± 2.61e-07
Aphelion dist (Q)4.66736028 AU ± 2.64e-07
Orbital Period3.98032250 yr ± 5.02e-08
Physical Parameters
H (abs. magnitude)18.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.267″
Uncertainty0
Orbit TypeApollo
MOID0.409404 AU
Observations Used105
Oppositions15
Arc Total2005-2025
First Observation Used2005-10-29
Last Observation Used2025-10-21
Observations (114)
Date Type RA Dec Mag Band Observatory
2013-10-13 04:26:37 C 01 13 40.26 +02 13 30.2 q G96
2013-10-13 04:37:24 C 01 13 39.17 +02 13 29.2 q G96
2013-10-13 04:48:27 C 01 13 38.07 +02 13 29.0 q G96
2013-10-13 04:59:24 C 01 13 36.99 +02 13 28.5 q G96
2016-12-01 06:21:17 C 03 36 25.94 +78 24 19.4 t 705
2016-12-01 06:22:45 C 03 36 25.53 +78 24 19.4 t 705
2016-12-01 06:24:13 C 03 36 25.03 +78 24 19.6 t 705
2017-09-04 11:37:44 C 02 49 34.08 +03 56 16.3 o 695
2017-09-04 11:39:30 C 02 49 33.95 +03 56 16.4 o 695
2017-09-04 11:41:17 C 02 49 33.80 +03 56 16.4 o 695
2017-09-04 11:43:26 C 02 49 33.62 +03 56 16.5 o 695
2017-09-04 11:45:12 C 02 49 33.47 +03 56 16.4 o 695
2017-09-04 11:46:58 C 02 49 33.32 +03 56 16.5 o 695
2017-09-04 11:49:35 C 02 49 33.10 +03 56 16.5 o 695
2017-09-04 11:51:21 C 02 49 32.96 +03 56 16.5 o 695
2017-09-04 11:53:07 C 02 49 32.81 +03 56 16.6 o 695
2017-09-13 08:59:21 C 02 30 26.63 +03 54 56.3 o 691
2017-09-13 09:24:40 C 02 30 24.13 +03 54 55.5 o 691
2017-09-22 07:20:43 C 02 08 26.24 +03 45 09.3 o 291
2017-09-22 07:30:12 C 02 08 25.22 +03 45 08.6 o 291
2017-09-22 07:39:38 C 02 08 24.21 +03 45 08.0 o 291
2017-09-27 07:22:28 C 01 55 26.93 +03 37 06.8 q G96
2017-09-27 07:30:12 C 01 55 26.04 +03 37 06.1 q G96
2017-09-27 07:37:43 C 01 55 25.27 +03 37 05.2 q G96
2017-09-27 07:45:16 C 01 55 24.41 +03 37 04.6 q G96
2017-10-16 06:13:33 C 01 08 26.72 +03 05 03.7 U G96
2017-10-16 06:21:01 C 01 08 26.04 +03 05 03.3 U G96
2017-10-16 06:28:31 C 01 08 25.33 +03 05 02.8 U G96
2017-10-16 06:35:59 C 01 08 24.62 +03 05 02.3 U G96
2017-10-19 09:16:45 C 01 01 44.143 +03 01 21.46 L F51
2017-10-19 09:32:56 C 01 01 42.687 +03 01 20.93 L F51
2017-10-19 09:49:06 C 01 01 41.261 +03 01 20.33 L F51
2017-10-19 10:05:23 C 01 01 39.804 +03 01 19.36 L F51
2021-09-10 10:19:24 C 02 35 57.15 +04 35 13.3 V G96
2021-09-10 10:27:30 C 02 35 56.40 +04 35 13.1 V G96
2021-09-10 10:35:37 C 02 35 55.67 +04 35 13.2 V G96
2021-09-10 10:43:44 C 02 35 54.93 +04 35 13.2 V G96
2021-10-02 09:39:31 C 01 42 19.708 +04 06 12.67 U F52
2021-10-02 09:55:58 C 01 42 17.948 +04 06 11.35 U F52
2021-10-02 10:12:34 C 01 42 16.149 +04 06 09.88 U F52
2021-10-02 10:29:08 C 01 42 14.368 +04 06 08.65 U F52
2021-10-26 06:51:36 C 00 49 25.184 +03 28 30.49 U F52
2021-10-26 07:08:10 C 00 49 23.972 +03 28 29.69 U F52
2021-10-26 07:24:55 C 00 49 22.731 +03 28 29.29 U F52
2025-09-16 12:59:28 C 02 21 22.683 +06 41 05.41 X F51
2025-09-16 13:17:43 C 02 21 20.965 +06 41 04.80 X F51
2025-09-16 14:35:56 C 02 21 13.565 +06 41 01.84 X F51
2025-09-29 10:14:00 C 01 50 57.826 +06 20 34.30 X F51
2025-09-29 10:32:34 C 01 50 55.935 +06 20 32.69 X F51
2025-09-29 10:51:14 C 01 50 54.006 +06 20 31.08 X F51