2017 UR4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3564427030 ± 3.34e-07
Semi-major axis (a)1.4655728698 AU ± 1.49e-08
Inclination (i)21.74474718° ± 2.74e-05
Long. of Asc. Node (Ω)211.10360967° ± 1.15e-05
Arg. of Perihelion (ω)311.19721093° ± 4.06e-05
Mean Anomaly (M)98.85664173° ± 4.96e-05
Mean Motion (n)0.5555218569°/day ± 8.47e-09
Perihelion dist (q)0.94318011 AU ± 4.89e-07
Aphelion dist (Q)1.98796562 AU ± 4.89e-07
Orbital Period1.77423493 yr ± 2.71e-08
Physical Parameters
H (abs. magnitude)20.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.276″
Uncertainty0
Orbit TypeApollo
MOID0.027072 AU
Observations Used78
Oppositions4
Arc Total2010-2019
First Observation Used2010-10-30
Last Observation Used2019-10-05
Observations (80)
Date Type RA Dec Mag Band Observatory
2010-10-30 12:40:15 C 03 51 47.744 +06 05 21.97 V F51
2010-11-07 09:03:23 C 03 43 07.698 +00 29 26.50 V F51
2010-11-07 09:19:33 C 03 43 06.750 +00 28 56.29 V F51
2011-01-10 05:30:08 C 02 38 03.405 -30 03 22.00 V F51
2017-09-21 13:51:46 C 02 02 19.445 +24 15 36.13 V F51
2017-09-21 14:31:45 C 02 02 18.285 +24 15 16.04 V F51
2017-09-21 14:51:45 C 02 02 17.652 +24 15 05.69 V F51
2017-10-22 10:42:29 C 01 24 15.491 +13 03 36.28 L F51
2017-10-22 10:59:16 C 01 24 14.352 +13 03 15.08 L F51
2017-10-22 11:32:45 C 01 24 12.042 +13 02 32.63 L F51
2017-10-23 06:52:12 C 01 22 56.42 +12 38 01.4 U G96
2017-10-23 06:59:43 C 01 22 55.94 +12 37 52.4 U G96
2017-10-23 07:07:14 C 01 22 55.42 +12 37 42.2 U G96
2017-10-23 07:36:14 C 01 22 53.42 +12 37 05.8 o 291
2017-10-23 07:42:41 C 01 22 52.99 +12 36 57.8 o 291
2017-10-23 07:49:09 C 01 22 52.54 +12 36 49.4 o 291
2017-10-24 03:48:07 C 01 21 34.90 +12 11 18.0 U H01
2017-10-24 03:53:59 C 01 21 34.51 +12 11 10.7 U H01
2017-10-24 04:10:30 C 01 21 33.39 +12 10 49.6 U H01
2017-10-25 08:18:29 C 01 19 43.00 +11 34 39.3 o 926
2017-10-25 08:29:41 C 01 19 42.26 +11 34 25.1 o 926
2017-10-25 08:40:52 C 01 19 41.45 +11 34 10.2 o 926
2017-10-26 04:33:18 C 01 18 25.00 +11 08 25.9 u H21
2017-10-26 04:53:22 C 01 18 23.65 +11 08 00.0 u H21
2017-10-26 05:15:28 C 01 18 22.17 +11 07 31.6 u H21
2017-10-26 06:25:03 C 01 18 17.76 +11 06 03.0 o 691
2017-10-26 06:28:01 C 01 18 17.68 +11 05 56.3 658
2017-10-26 06:31:07 C 01 18 17.49 +11 05 52.2 658
2017-10-26 06:34:16 C 01 18 17.28 +11 05 48.0 658
2017-10-26 07:05:04 C 01 18 15.06 +11 05 11.0 o 691
2017-10-26 07:45:25 C 01 18 12.38 +11 04 18.5 o 691
2017-10-27 08:25:04 C 01 16 37.64 +10 32 14.4 o 291
2017-10-27 08:33:38 C 01 16 37.08 +10 32 02.9 o 291
2017-10-27 08:42:12 C 01 16 36.49 +10 31 51.9 o 291
2017-10-28 07:08:58 C 01 15 11.56 +10 02 35.6 o 291
2017-10-28 07:20:32 C 01 15 10.80 +10 02 20.7 o 291
2017-10-28 07:32:06 C 01 15 10.01 +10 02 05.0 o 291
2017-10-29 06:38:09 C 01 13 43.53 +09 31 54.9 o 291
2017-10-29 06:51:10 C 01 13 42.70 +09 31 37.9 o 291
2017-10-29 07:04:11 C 01 13 41.84 +09 31 20.8 o 291
2017-11-09 01:34:24 C 00 59 20.78 +04 01 37.0 u H21
2017-11-09 01:54:18 C 00 59 19.79 +04 01 12.9 u H21
2017-11-09 02:22:26 C 00 59 18.37 +04 00 38.8 u H21
2017-11-10 03:11:33 C 00 58 08.98 +03 30 46.7 u H21
2017-11-10 03:28:14 C 00 58 08.19 +03 30 27.0 u H21
2017-11-10 03:55:27 C 00 58 06.88 +03 29 54.4 u H21
2017-11-10 05:33:21 C 00 58 02.41 +03 27 59.0 o 291
2017-11-10 05:43:46 C 00 58 01.90 +03 27 46.6 o 291
2017-11-10 05:54:09 C 00 58 01.39 +03 27 34.0 o 291
2017-11-12 04:22:27 C 00 56 00.22 +02 33 00.4 o 291