455199 (2000 YK4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3729322637 ± 6.41e-08
Semi-major axis (a)1.6667275395 AU ± 3.41e-09
Inclination (i)26.05601838° ± 1.87e-05
Long. of Asc. Node (Ω)281.51160178° ± 8.35e-06
Arg. of Perihelion (ω)234.10003722° ± 2.55e-05
Mean Anomaly (M)180.32156387° ± 2.15e-05
Mean Motion (n)0.4580526068°/day ± 1.40e-09
Perihelion dist (q)1.04515107 AU ± 1.07e-07
Aphelion dist (Q)2.28830401 AU ± 1.07e-07
Orbital Period2.15177530 yr ± 6.60e-09
Physical Parameters
H (abs. magnitude)19.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.426″
Uncertainty0
Orbit TypeAmor
MOID0.168475 AU
Observations Used109
Oppositions13
Arc Total2000-2025
First Observation Used2000-12-19
Last Observation Used2025-06-29
Observations (114)
Date Type RA Dec Mag Band Observatory
2016-01-20 22:07:48 C 03 07 44.36 +17 47 40.7 q 204
2016-01-20 22:27:17 C 03 07 45.55 +17 46 49.2 q 204
2016-01-25 07:14:53 C 03 14 37.767 +13 18 56.45 L F51
2016-01-25 07:31:18 C 03 14 38.813 +13 18 15.23 L F51
2016-01-25 07:47:51 C 03 14 39.857 +13 17 33.82 L F51
2016-01-31 06:09:27 C 03 25 01.620 +07 37 20.42 L F51
2016-01-31 06:28:08 C 03 25 02.945 +07 36 37.62 L F51
2016-01-31 06:46:32 C 03 25 04.255 +07 35 55.49 L F51
2016-01-31 07:05:05 C 03 25 05.577 +07 35 12.91 L F51
2016-02-19 00:45:28 C 04 03 09.94 -07 13 50.6 u 807
2016-02-19 00:51:43 C 04 03 10.43 -07 14 01.7 u 807
2016-02-19 00:58:08 C 04 03 11.04 -07 14 12.0 u 807
2025-06-29 07:54:29 C 21 03 14.27 -01 38 42.8 V H21
2025-06-29 08:15:25 C 21 03 13.14 -01 38 32.8 V H21