2019 QK4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8870547227 ± 1.67e-07
Semi-major axis (a)2.5541932715 AU ± 6.41e-08
Inclination (i)20.36783005° ± 1.05e-04
Long. of Asc. Node (Ω)308.36926497° ± 1.99e-04
Arg. of Perihelion (ω)170.11336887° ± 2.05e-04
Mean Anomaly (M)173.90695870° ± 1.81e-05
Mean Motion (n)0.2414524638°/day ± 9.09e-09
Perihelion dist (q)0.28848407 AU ± 4.26e-07
Aphelion dist (Q)4.81990248 AU ± 4.43e-07
Orbital Period4.08207176 yr ± 1.54e-07
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.300″
Uncertainty0
Orbit TypeApollo
MOID0.266336 AU
Observations Used75
Oppositions3
Arc Total2019-2023
First Observation Used2019-08-27
Last Observation Used2023-09-16
Observations (75)
Date Type RA Dec Mag Band Observatory
2019-09-22 02:46:52 C 18 15 30.23 +44 09 39.6 V I52
2019-09-22 02:48:16 C 18 15 29.08 +44 09 38.1 V I52
2019-09-22 02:49:40 C 18 15 28.00 +44 09 34.9 V I52
2023-09-08 07:27:43 C 21 19 31.360 +09 41 09.51 X F51
2023-09-08 07:40:30 C 21 19 29.246 +09 41 08.13 X F51
2023-09-08 07:52:55 C 21 19 27.171 +09 41 06.63 X F51
2023-09-08 08:05:29 C 21 19 25.104 +09 41 05.49 X F51
2023-09-08 12:14:03 C 21 18 43.843 +09 40 35.46 V F51
2023-09-08 12:15:13 C 21 18 43.675 +09 40 35.34 V F51
2023-09-10 03:04:12 C 21 12 20.53 +09 35 16.5 u H21
2023-09-10 03:16:19 C 21 12 18.49 +09 35 14.6 u H21
2023-09-10 03:20:54 C 21 12 17.957 +09 35 14.57 V V06
2023-09-10 03:24:52 C 21 12 17.284 +09 35 13.70 V V06
2023-09-10 03:27:38 C 21 12 16.55 +09 35 12.4 u H21
2023-09-10 03:28:50 C 21 12 16.610 +09 35 13.56 V V06
2023-09-10 03:32:47 C 21 12 15.948 +09 35 12.70 V V06
2023-09-10 05:44:31 C 21 11 54.164 +09 34 54.67 V T14
2023-09-10 05:45:55 C 21 11 53.924 +09 34 54.45 V T14
2023-09-10 05:47:20 C 21 11 53.686 +09 34 54.23 V T14
2023-09-11 06:46:14 C 21 07 42.192 +09 30 45.03 X F52
2023-09-11 07:02:02 C 21 07 39.494 +09 30 42.17 X F52
2023-09-11 07:33:51 C 21 07 34.011 +09 30 36.59 X F52
2023-09-16 02:05:12 C 20 47 53.09 +09 04 28.8 u H21
2023-09-16 02:09:25 C 20 47 52.34 +09 04 28.2 u H21
2023-09-16 02:13:36 C 20 47 51.59 +09 04 27.1 u H21