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
2025-12-30 01:03:28 C 00 20 59.818 -59 49 55.49 V W68
2025-12-30 01:12:12 C 00 21 02.124 -59 49 24.67 V W68
2025-12-30 01:27:58 C 00 21 06.305 -59 48 29.66 V W68
2026-01-02 01:00:58 C 00 38 32.030 -55 33 33.44 V W68
2026-01-02 01:04:56 C 00 38 32.741 -55 33 19.40 V W68
2026-01-02 01:18:24 C 00 38 35.587 -55 32 29.15 V W68
2026-01-02 01:33:36 C 00 38 38.570 -55 31 32.38 V W68
2026-01-05 00:59:50 C 00 52 10.608 -51 05 10.03 V W68
2026-01-05 01:05:24 C 00 52 11.568 -51 04 48.68 V W68
2026-01-05 01:18:54 C 00 52 13.591 -51 03 56.66 V W68
2026-01-05 01:35:22 C 00 52 16.212 -51 02 52.87 V W68
2026-01-06 01:01:09 C 00 56 03.108 -49 33 47.48 V W68
2026-01-06 01:05:59 C 00 56 03.809 -49 33 29.27 V W68
2026-01-06 01:24:18 C 00 56 06.434 -49 32 17.12 V W68
2026-01-06 01:35:09 C 00 56 08.057 -49 31 35.22 V W68
2026-01-12 01:49:29 C 01 14 11.834 -40 14 33.90 V W68
2026-01-12 02:27:34 C 01 14 15.458 -40 12 05.00 V W68
2026-01-12 02:55:21 C 01 14 18.067 -40 10 14.95 V W68
2026-01-12 03:18:42 C 01 14 20.350 -40 08 43.26 V W68
2026-01-13 05:30:21 C 01 16 53.628 -38 28 01.78 V T05
2026-01-13 05:36:16 C 01 16 54.101 -38 27 38.38 V T05
2026-01-13 05:47:30 C 01 16 55.075 -38 26 55.97 V T05
2026-01-13 06:13:54 C 01 16 57.125 -38 25 12.86 V T05
2026-01-16 01:15:38 C 01 22 38.666 -34 07 42.49 V W68
2026-01-16 01:21:40 C 01 22 39.026 -34 07 19.63 V W68
2026-01-16 01:33:05 C 01 22 39.900 -34 06 35.17 V W68
2026-01-16 01:48:28 C 01 22 40.956 -34 05 36.17 V W68
2026-01-17 05:31:23 C 01 24 45.804 -32 21 01.62 V T08
2026-01-17 05:37:19 C 01 24 46.210 -32 20 38.22 V T08
2026-01-17 05:45:18 C 01 24 46.687 -32 20 08.05 V T08
2026-01-17 06:00:28 C 01 24 47.628 -32 19 11.14 V T08
2026-01-19 05:47:43 C 01 28 01.054 -29 20 21.80 V T05
2026-01-19 05:52:57 C 01 28 01.445 -29 20 01.64 V T05
2026-01-19 06:07:23 C 01 28 02.234 -29 19 07.25 V T05
2026-01-19 06:16:34 C 01 28 02.623 -29 18 33.52 V T05
2026-01-20 05:37:50 C 01 29 28.752 -27 52 21.86 V T05
2026-01-20 05:52:14 C 01 29 29.544 -27 51 29.56 V T05
2026-01-20 06:08:38 C 01 29 30.300 -27 50 29.36 V T05
2026-01-20 06:19:16 C 01 29 30.871 -27 49 49.19 V T05
2026-02-08 02:55:00 C 01 43 09.995 -03 37 19.42 V 703
2026-02-08 03:01:07 C 01 43 09.941 -03 37 01.49 V 703
2026-02-08 03:03:59 C 01 43 09.937 -03 36 54.54 V 703
2026-02-10 02:56:53 C 01 43 13.336 -01 29 59.14 V 703
2026-02-10 03:06:56 C 01 43 13.105 -01 29 35.45 V 703
2026-02-16 02:10:11 C 01 41 43.102 +04 19 04.69 V 703
2026-02-16 02:16:46 C 01 41 42.889 +04 19 19.27 V 703
2026-02-16 02:20:04 C 01 41 42.853 +04 19 27.73 V 703