2017 YO4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8337739317 ± 3.56e-05
Semi-major axis (a)2.2261240770 AU ± 1.96e-04
Inclination (i)7.34787627° ± 7.23e-05
Long. of Asc. Node (Ω)189.20565337° ± 9.24e-04
Arg. of Perihelion (ω)27.33631487° ± 1.31e-03
Mean Anomaly (M)106.93864665° ± 1.17e-01
Mean Motion (n)0.2967482906°/day ± 3.92e-05
Perihelion dist (q)0.37003985 AU ± 8.57e-05
Aphelion dist (Q)4.08220830 AU ± 3.68e-04
Orbital Period3.32142194 yr ± 4.39e-04
Physical Parameters
H (abs. magnitude)20.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.229″
Uncertainty3
Orbit TypeApollo
MOID0.082089 AU
Observations Used45
Oppositions1
Arc Total2017-2018
First Observation Used2017-12-23
Last Observation Used2018-02-03
Observations (46)
Date Type RA Dec Mag Band Observatory
2017-12-23 07:32:05 C 04 47 02.871 +04 43 03.06 U F51
2017-12-23 07:48:26 C 04 47 00.419 +04 42 54.15 U F51
2017-12-23 08:04:56 C 04 46 57.936 +04 42 44.88 U F51
2017-12-23 08:21:32 C 04 46 55.432 +04 42 35.64 U F51
2017-12-24 04:25:11 C 04 43 57.66 +04 31 23.1 o 926
2017-12-24 04:37:56 C 04 43 55.71 +04 31 15.5 o 926
2017-12-24 04:50:41 C 04 43 53.76 +04 31 08.5 o 926
2017-12-24 08:24:49 C 04 43 21.18 +04 29 09.0 o 291
2017-12-24 08:30:28 C 04 43 20.31 +04 29 05.6 o 291
2017-12-24 08:36:10 C 04 43 19.47 +04 29 02.4 o 291
2017-12-24 08:56:17 C 04 43 16.945 +04 28 53.94 U 568
2017-12-24 08:57:38 C 04 43 16.739 +04 28 53.19 U 568
2017-12-24 08:59:00 C 04 43 16.531 +04 28 52.45 U 568
2017-12-25 04:39:57 C 04 40 19.53 +04 17 53.2 o 926
2017-12-25 04:47:47 C 04 40 18.30 +04 17 48.7 o 926
2017-12-25 04:55:38 C 04 40 17.12 +04 17 44.4 o 926
2017-12-25 07:04:37 C 04 39 57.16 +04 16 32.2 U I52
2017-12-25 07:09:24 C 04 39 56.44 +04 16 30.0 U I52
2017-12-25 07:14:10 C 04 39 55.71 +04 16 27.2 U I52
2017-12-25 08:46:26 C 04 39 41.50 +04 15 35.7 o 291
2017-12-25 08:50:17 C 04 39 40.91 +04 15 34.3 o 291
2017-12-25 08:54:09 C 04 39 40.28 +04 15 31.8 o 291
2017-12-26 04:02:45 C 04 36 46.42 +04 04 54.9 U I52
2017-12-26 04:12:20 C 04 36 44.92 +04 04 49.9 U I52
2017-12-26 04:17:08 C 04 36 44.20 +04 04 46.8 U I52
2017-12-26 08:09:23 C 04 36 07.87 +04 02 38.9 o 291
2017-12-26 08:13:03 C 04 36 07.29 +04 02 37.2 o 291
2017-12-26 08:16:41 C 04 36 06.73 +04 02 34.7 o 291
2018-01-05 06:01:17 C 03 58 11.189 +01 57 23.26 U F51
2018-01-05 06:17:35 C 03 58 08.475 +01 57 15.04 U F51
2018-01-05 06:33:54 C 03 58 05.757 +01 57 07.24 U F51
2018-01-05 06:50:17 C 03 58 03.007 +01 56 59.28 U F51
2018-01-13 04:36:35 C 03 27 27.18 +00 32 52.5 o 691
2018-01-13 05:11:01 C 03 27 21.62 +00 32 38.9 o 691
2018-01-20 01:50:08 C 03 02 06.86 -00 24 32.2 U 807
2018-01-20 01:56:28 C 03 02 05.88 -00 24 34.2 U 807
2018-01-20 02:15:43 C 03 02 02.99 -00 24 39.9 U 807
2018-01-23 04:46:38 C 02 51 09.63 -00 46 23.3 o 691
2018-01-23 05:05:09 C 02 51 06.95 -00 46 28.4 o 691
2018-01-23 05:23:29 C 02 51 04.18 -00 46 33.6 o 691
2018-01-28 01:17:41 C 02 34 43.03 -01 15 05.0 U 807
2018-01-28 01:25:52 C 02 34 41.88 -01 15 06.7 U 807
2018-01-28 01:35:17 C 02 34 40.50 -01 15 09.2 U 807
2018-02-03 01:22:46 C 02 14 52.91 -01 45 57.0 U 807
2018-02-03 01:28:00 C 02 14 52.18 -01 45 58.2 U 807
2018-02-03 01:33:48 C 02 14 51.36 -01 45 59.1 U 807