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
2025-01-05 01:11:21 C 01 09 48.727 -58 16 14.99 V W68
2025-01-05 01:30:54 C 01 09 50.321 -58 14 50.93 V W68
2025-01-06 19:00:28 C 01 13 32.141 -55 17 05.71 V M22
2025-01-06 19:05:08 C 01 13 32.472 -55 16 44.87 V M22
2025-01-06 19:13:02 C 01 13 32.918 -55 16 10.52 V M22
2025-01-06 19:28:59 C 01 13 34.044 -55 15 00.40 V M22
2025-01-10 18:51:58 C 01 19 41.580 -48 17 17.88 V M22
2025-01-10 18:56:42 C 01 19 41.755 -48 16 55.81 V M22
2025-01-10 19:07:21 C 01 19 42.242 -48 16 09.01 V M22
2025-01-10 19:21:26 C 01 19 42.694 -48 15 05.00 V M22
2025-01-16 19:37:10 C 01 24 48.780 -37 36 13.28 V M22
2025-01-16 19:41:10 C 01 24 48.845 -37 35 55.18 V M22
2025-01-16 20:08:08 C 01 24 49.284 -37 33 54.83 V M22
2025-01-16 20:34:04 C 01 24 49.754 -37 31 58.37 V M22
2025-01-19 01:25:09 C 01 25 50.285 -33 41 17.23 V W68
2025-01-19 01:29:44 C 01 25 50.290 -33 40 57.00 V W68
2025-01-19 01:36:58 C 01 25 50.364 -33 40 25.68 V W68
2025-01-19 01:59:18 C 01 25 50.556 -33 38 47.00 V W68
2025-01-19 02:00:36 C 01 25 50.578 -33 38 42.18 V W68
2025-01-19 02:08:45 C 01 25 50.645 -33 38 05.42 V W68
2025-01-19 19:12:51 C 01 26 05.609 -32 24 23.98 V M22
2025-01-19 19:16:56 C 01 26 05.614 -32 24 06.48 V M22
2025-01-19 19:24:55 C 01 26 05.678 -32 23 31.45 V M22
2025-01-19 19:27:33 C 01 26 05.690 -32 23 19.82 V M22
2025-01-19 19:31:36 C 01 26 05.647 -32 23 02.90 V M22
2025-01-19 19:40:12 C 01 26 05.786 -32 22 25.00 V M22
2025-01-19 19:42:11 C 01 26 05.750 -32 22 16.86 V M22
2025-01-19 19:56:33 C 01 26 05.844 -32 21 14.62 V M22
2025-01-20 19:23:57 C 01 26 22.457 -30 40 44.40 V M22
2025-01-20 19:28:32 C 01 26 22.538 -30 40 23.95 V M22
2025-01-20 19:37:42 C 01 26 22.493 -30 39 44.64 V M22
2025-01-20 19:58:54 C 01 26 22.574 -30 38 13.34 V M22
2025-01-23 01:20:28 C 01 26 45.725 -26 53 31.99 V W68
2025-01-23 01:25:41 C 01 26 45.737 -26 53 10.39 V W68
2025-01-23 01:33:32 C 01 26 45.708 -26 52 36.91 V W68
2025-01-23 19:04:30 C 01 26 49.361 -25 40 10.38 V M22
2025-01-23 19:09:05 C 01 26 49.306 -25 39 51.26 V M22
2025-01-23 19:17:11 C 01 26 49.265 -25 39 17.06 V M22
2025-01-23 19:45:39 C 01 26 49.171 -25 37 18.80 V M22
2025-01-24 18:45:36 C 01 26 50.983 -24 03 22.07 V M22
2025-01-24 18:50:09 C 01 26 50.952 -24 03 03.20 V M22
2025-01-24 19:22:13 C 01 26 50.717 -24 00 52.38 V M22
2025-01-24 19:31:25 C 01 26 50.678 -24 00 14.40 V M22
2025-01-26 00:45:29 C 01 26 47.954 -22 02 47.76 V W68
2025-01-26 00:50:02 C 01 26 47.947 -22 02 28.82 V W68
2025-01-26 00:57:51 C 01 26 47.830 -22 01 57.65 V W68
2025-01-26 01:13:41 C 01 26 47.729 -22 00 53.71 V W68
2025-02-01 01:59:23 C 01 25 17.785 -12 55 27.12 V 703
2025-02-01 02:09:37 C 01 25 17.512 -12 54 49.82 V 703
2025-12-30 00:59:15 C 00 20 58.766 -59 50 10.57 V W68