2019 YK4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6626810846 ± 2.03e-05
Semi-major axis (a)2.3503744157 AU ± 1.36e-04
Inclination (i)26.04348627° ± 5.95e-04
Long. of Asc. Node (Ω)102.58747770° ± 2.65e-05
Arg. of Perihelion (ω)283.24212174° ± 3.18e-04
Mean Anomaly (M)243.40116432° ± 5.25e-02
Mean Motion (n)0.2735310922°/day ± 2.37e-05
Perihelion dist (q)0.79282575 AU ± 6.62e-05
Aphelion dist (Q)3.90792308 AU ± 2.31e-04
Orbital Period3.60334277 yr ± 3.12e-04
Physical Parameters
H (abs. magnitude)20.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.287″
Uncertainty2
Orbit TypeApollo
MOID0.098399 AU
Observations Used299
Oppositions1
Arc Total2019-2020
First Observation Used2019-12-29
Last Observation Used2020-02-15
Observations (342)
Date Type RA Dec Mag Band Observatory
2019-12-30 22:53:12 C 07 44 20.80 +14 16 29.6 S C43
2019-12-30 22:55:48 C 07 44 20.72 +14 16 56.8 V K38
2019-12-30 22:56:09 C 07 44 20.30 +14 16 55.8 S C43
2019-12-30 22:59:07 C 07 44 19.79 +14 17 21.7 S C43
2019-12-30 23:02:33 C 07 44 19.20 +14 17 52.1 S C43
2019-12-30 23:03:14 C 07 44 19.44 +14 18 03.0 V K38
2019-12-30 23:12:09 C 07 44 18.14 +14 19 23.3 V C95
2019-12-30 23:15:38 C 07 44 17.52 +14 19 54.1 V C95
2019-12-30 23:19:05 C 07 44 16.94 +14 20 24.8 V C95
2019-12-30 23:26:00 C 07 44 15.46 +14 21 21.2 V K87
2019-12-30 23:35:59 C 07 44 13.77 +14 22 49.4 V K87
2019-12-30 23:46:00 C 07 44 12.08 +14 24 17.7 V K87
2019-12-31 01:05:45 C 07 43 59.08 +14 36 04.7 q 958
2019-12-31 01:21:59 C 07 43 56.35 +14 38 27.1 q 958
2019-12-31 01:29:44 C 07 43 54.97 +14 39 34.6 q 958
2019-12-31 01:36:55 C 07 43 53.78 +14 40 37.8 q 958
2020-01-01 11:58:19 C 07 38 42.26 +19 20 43.7 V T08
2020-01-01 12:03:12 C 07 38 41.49 +19 21 20.4 V T08
2020-01-01 12:13:43 C 07 38 39.79 +19 22 39.8 V T08
2020-01-01 12:36:50 C 07 38 36.09 +19 25 33.3 V T08
2020-01-01 18:33:51 C 07 37 48.51 +20 09 10.3 V K61
2020-01-01 18:34:37 C 07 37 48.43 +20 09 15.7 V K61
2020-01-01 18:35:55 C 07 37 48.26 +20 09 25.5 V K61
2020-01-01 22:17:21 C 07 37 15.43 +20 36 26.4 V 246
2020-01-01 22:18:46 C 07 37 15.21 +20 36 36.7 V 246
2020-01-01 22:18:54 C 07 37 15.19 +20 36 37.9 V 246
2020-01-01 22:19:05 C 07 37 15.17 +20 36 39.1 V 246
2020-01-01 22:19:14 C 07 37 15.14 +20 36 40.3 V 246
2020-01-01 22:20:00 C 07 37 15.03 +20 36 45.8 V 246
2020-01-01 22:20:09 C 07 37 15.00 +20 36 46.9 V 246
2020-01-01 23:28:55 C 07 37 04.54 +20 45 02.7 V C47
2020-01-01 23:32:53 C 07 37 03.93 +20 45 31.1 V C47
2020-01-01 23:38:49 C 07 37 03.03 +20 46 13.7 V C47
2020-01-01 23:42:46 C 07 37 02.43 +20 46 42.1 V C47
2020-01-01 23:47:08 C 07 37 01.76 +20 47 13.3 V C47
2020-01-02 00:53:35 C 07 36 51.96 +20 55 11.1 V K38
2020-01-02 00:57:42 C 07 36 51.33 +20 55 40.2 V K38
2020-01-02 01:06:50 C 07 36 49.95 +20 56 45.4 V K38
2020-01-02 22:49:45 C 07 33 53.11 +23 24 15.4 V 246
2020-01-02 22:50:00 C 07 33 53.00 +23 24 17.9 V 246
2020-01-03 04:41:49 C 07 33 08.32 +24 01 51.7 V I52
2020-01-03 04:43:08 C 07 33 08.16 +24 01 59.4 V I52
2020-01-03 04:44:14 C 07 33 08.05 +24 02 06.7 V I52
2020-01-03 04:44:50 C 07 33 07.98 +24 02 10.8 V I52
2020-01-03 08:25:59 C 07 32 36.37 +24 25 19.2 V 703
2020-01-03 08:33:47 C 07 32 35.26 +24 26 07.6 V 703
2020-01-03 08:41:35 C 07 32 34.15 +24 26 55.5 V 703
2020-01-03 08:49:23 C 07 32 33.02 +24 27 43.9 V 703
2020-01-03 20:38:36 C 07 31 05.38 +25 38 45.3 q Z36
2020-01-03 20:42:29 C 07 31 04.91 +25 39 08.8 q Z36