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
2019-08-27 06:11:31 C 22 54 33.73 +28 03 27.9 V G96
2019-08-27 06:19:03 C 22 54 32.57 +28 03 41.7 V G96
2019-08-27 06:26:35 C 22 54 31.44 +28 03 55.6 V G96
2019-08-27 06:34:08 C 22 54 30.19 +28 04 09.2 V G96
2019-08-27 09:10:24 C 22 54 05.81 +28 08 53.2 V G96
2019-08-27 09:14:25 C 22 54 05.18 +28 09 00.6 V G96
2019-08-27 09:18:26 C 22 54 04.55 +28 09 07.7 V G96
2019-08-27 09:19:31 C 22 54 04.40 +28 09 10.1 V G96
2019-08-28 02:44:20 C 22 51 21.75 +28 41 09.8 u H21
2019-08-28 02:48:31 C 22 51 21.07 +28 41 17.3 u H21
2019-08-28 02:52:42 C 22 51 20.41 +28 41 25.6 u H21
2019-08-28 03:00:49 C 22 51 19.08 +28 41 41.0 u H21
2019-08-29 06:58:44 C 22 46 35.65 +29 34 49.8 L 658
2019-08-29 07:01:12 C 22 46 35.21 +29 34 54.2 L 658
2019-08-29 07:03:42 C 22 46 34.77 +29 34 59.1 L 658
2019-08-29 07:06:10 C 22 46 34.33 +29 35 03.9 L 658
2019-08-29 07:08:40 C 22 46 33.86 +29 35 08.7 L 658
2019-08-29 07:11:09 C 22 46 32.89 +29 35 15.5 u H21
2019-08-29 07:25:11 C 22 46 30.35 +29 35 42.5 u H21
2019-08-29 07:39:47 C 22 46 27.69 +29 36 10.5 u H21
2019-09-02 10:42:38 C 22 25 47.37 +33 00 27.6 V I52
2019-09-02 10:43:45 C 22 25 47.10 +33 00 29.8 V I52
2019-09-02 10:44:50 C 22 25 46.82 +33 00 32.4 V I52
2019-09-02 10:45:56 C 22 25 46.57 +33 00 34.5 V I52
2019-09-05 05:23:27 C 22 07 32.53 +35 30 37.4 u H21
2019-09-05 05:48:42 C 22 07 24.64 +35 31 35.8 u H21
2019-09-05 06:05:32 C 22 07 19.41 +35 32 14.5 u H21
2019-09-05 06:21:03 C 22 07 14.56 +35 32 50.2 u H21
2019-09-06 05:12:10 C 21 59 57.58 +36 26 00.4 V H21
2019-09-06 05:24:14 C 21 59 53.49 +36 26 28.5 V H21
2019-09-06 05:36:26 C 21 59 49.37 +36 26 57.0 V H21
2019-09-06 06:47:03 C 21 59 26.00 +36 29 45.0 V I52
2019-09-06 06:48:09 C 21 59 25.61 +36 29 47.5 V I52
2019-09-06 06:51:27 C 21 59 24.47 +36 29 54.7 V I52
2019-09-06 06:52:33 C 21 59 24.12 +36 29 57.8 V I52
2019-09-18 02:54:35 C 19 27 48.27 +45 04 28.8 V I52
2019-09-18 03:02:05 C 19 27 42.68 +45 04 31.2 V I52
2019-09-18 03:03:17 C 19 27 41.79 +45 04 31.3 V I52
2019-09-18 03:04:29 C 19 27 40.89 +45 04 31.5 V I52
2019-09-18 05:42:36 C 19 25 43.19 +45 05 18.1 V G96
2019-09-18 05:51:50 C 19 25 36.37 +45 05 19.9 V G96
2019-09-18 06:01:05 C 19 25 29.44 +45 05 22.2 V G96
2019-09-20 01:23:03 C 18 52 58.68 +45 00 08.3 u H21
2019-09-20 01:29:16 C 18 52 53.91 +45 00 04.7 u H21
2019-09-20 01:35:28 C 18 52 49.15 +45 00 01.6 u H21
2019-09-20 01:47:53 C 18 52 39.62 +44 59 54.5 u H21
2019-09-20 01:54:36 C 18 52 34.44 +44 59 51.0 u H21
2019-09-20 02:53:22 C 18 51 50.02 +44 59 21.3 V I52
2019-09-20 02:53:58 C 18 51 49.58 +44 59 21.4 V I52
2019-09-20 02:54:35 C 18 51 49.09 +44 59 20.8 V I52