678861 (2017 YH)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4822601682 ± 3.72e-08
Semi-major axis (a)0.6345747483 AU ± 2.06e-09
Inclination (i)19.85040535° ± 1.87e-05
Long. of Asc. Node (Ω)134.14521585° ± 2.34e-05
Arg. of Perihelion (ω)147.52539839° ± 2.53e-05
Mean Anomaly (M)71.22456265° ± 2.88e-05
Mean Motion (n)1.9497911593°/day ± 9.50e-09
Perihelion dist (q)0.32854462 AU ± 2.36e-08
Aphelion dist (Q)0.94060487 AU ± 2.38e-08
Orbital Period0.50550351 yr ± 2.46e-09
Physical Parameters
H (abs. magnitude)18.14
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.326″
Uncertainty0
Orbit TypeAtira
MOID0.116090 AU
Observations Used290
Oppositions10
Arc Total2016-2026
First Observation Used2016-12-05
Last Observation Used2026-02-16
Observations (297)
Date Type RA Dec Mag Band Observatory
2023-01-04 01:50:25 C 03 19 15.317 -83 24 43.42 V W68
2023-01-04 01:58:13 C 03 19 01.433 -83 24 19.84 V W68
2023-01-04 02:12:34 C 03 18 36.276 -83 23 35.16 V W68
2023-01-04 02:48:27 C 03 17 34.241 -83 21 42.55 V W68
2023-01-04 02:53:39 C 03 17 25.375 -83 21 25.88 V W68
2023-01-04 03:03:29 C 03 17 08.506 -83 20 55.50 V W68
2023-01-04 03:54:12 C 03 15 42.365 -83 18 12.10 V W68
2023-01-08 01:43:25 C 01 46 37.874 -77 10 39.22 V W68
2023-01-08 02:06:06 C 01 46 24.629 -77 08 53.30 V W68
2023-01-08 02:11:20 C 01 46 21.338 -77 08 28.46 V W68
2023-01-08 02:33:08 C 01 46 08.726 -77 06 46.37 V W68
2023-01-09 19:01:21 C 01 27 38.736 -73 53 55.57 V M22
2023-01-09 19:05:53 C 01 27 36.835 -73 53 32.21 V M22
2023-01-09 19:13:44 C 01 27 33.487 -73 52 52.82 V M22
2023-01-09 19:34:18 C 01 27 24.708 -73 51 07.78 V M22
2023-01-12 01:04:11 C 01 10 10.322 -69 11 28.57 V W68
2023-01-12 01:08:31 C 01 10 08.611 -69 11 04.88 V W68
2023-01-12 01:17:03 C 01 10 06.492 -69 10 16.03 V W68
2023-01-12 01:31:21 C 01 10 02.117 -69 08 56.29 V W68
2023-01-25 01:31:13 C 00 21 44.782 -36 15 22.03 V W68
2023-01-25 01:35:53 C 00 21 44.170 -36 14 51.97 V W68
2023-01-25 01:43:48 C 00 21 43.344 -36 13 59.41 V W68
2023-01-25 02:07:31 C 00 21 40.733 -36 11 21.59 V W68
2023-12-23 20:14:32 C 02 52 48.614 -88 04 49.87 V M22
2023-12-23 20:20:03 C 02 52 35.784 -88 04 32.70 V M22
2023-12-23 20:28:16 C 02 52 17.510 -88 04 07.75 V M22
2023-12-23 20:47:36 C 02 51 34.987 -88 03 06.73 V M22
2023-12-23 21:21:53 C 02 50 19.690 -88 01 19.70 V M22
2023-12-23 21:27:15 C 02 50 08.126 -88 01 02.39 V M22
2023-12-23 21:34:41 C 02 49 52.411 -88 00 38.45 V M22
2023-12-23 21:48:51 C 02 49 23.494 -87 59 53.45 V M22
2023-12-26 02:32:36 C 02 05 59.278 -85 07 59.38 V W68
2023-12-26 02:36:40 C 02 05 56.839 -85 07 46.42 V W68
2023-12-26 02:51:07 C 02 05 50.138 -85 06 55.69 V W68
2023-12-26 02:59:45 C 02 05 46.142 -85 06 26.17 V W68
2023-12-30 02:19:07 C 01 46 03.785 -79 24 24.88 V W68
2023-12-30 02:31:47 C 01 46 01.642 -79 23 35.70 V W68
2023-12-30 02:32:30 C 01 46 01.390 -79 23 33.10 V 807
2023-12-30 02:37:15 C 01 46 00.630 -79 23 14.80 V 807
2023-12-30 02:41:53 C 01 45 59.820 -79 22 56.70 V 807
2023-12-30 02:48:58 C 01 45 58.853 -79 22 29.10 V W68
2023-12-31 19:03:37 B 01 41 36.686 -76 46 54.08 Z M49
2023-12-31 19:07:27 B 01 41 36.091 -76 46 38.75 Z M49
2023-12-31 19:11:19 B 01 41 35.525 -76 46 23.48 Z M49
2024-01-01 19:03:37 B 01 39 21.902 -75 10 44.29 Z M49
2024-01-01 19:07:21 B 01 39 21.401 -75 10 29.03 Z M49
2024-01-01 19:11:06 B 01 39 20.926 -75 10 13.66 Z M49
2024-01-04 19:14:50 C 01 33 42.110 -70 06 29.92 V M22
2024-01-04 19:33:34 C 01 33 40.325 -70 05 06.79 V M22
2024-01-04 19:38:25 C 01 33 39.890 -70 04 45.19 V M22