IAA RAS IAA Minor Planet Database

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 19:38:53 C 07 44 53.45 +13 47 33.8 – t 198
2019-12-30 19:44:43 C 07 44 52.52 +13 48 26.3 – t 198
2019-12-30 19:46:26 C 07 44 52.02 +13 48 45.8 – V L04
2019-12-30 19:56:21 C 07 44 50.61 +13 50 11.2 – t 198
2019-12-30 20:02:11 C 07 44 49.66 +13 51 03.6 – t 198
2019-12-30 20:08:01 C 07 44 48.72 +13 51 55.7 – t 198
2019-12-30 20:19:41 C 07 44 46.80 +13 53 40.5 – t 198
2019-12-30 20:25:30 C 07 44 45.82 +13 54 33.3 – t 198
2019-12-30 20:26:14 C 07 44 45.50 +13 54 38.0 – V 033
2019-12-30 20:27:03 C 07 44 45.37 +13 54 45.2 – V 033
2019-12-30 20:27:52 C 07 44 45.25 +13 54 52.6 – V 033
2019-12-30 20:31:19 C 07 44 44.87 +13 55 25.4 – t 198
2019-12-30 20:58:40 C 07 44 40.44 +13 59 32.7 – V 587
2019-12-30 20:59:40 C 07 44 40.28 +13 59 41.7 – V 587
2019-12-30 21:00:39 C 07 44 40.11 +13 59 50.6 – V 587
2019-12-30 21:24:55 C 07 44 36.12 +14 03 29.3 – V K63
2019-12-30 21:27:36 C 07 44 35.73 +14 03 52.6 – q C77
2019-12-30 21:31:12 C 07 44 35.12 +14 04 24.8 – q C77
2019-12-30 21:34:49 C 07 44 34.51 +14 04 57.1 – q C77
2019-12-30 21:35:32 C 07 44 34.29 +14 05 04.8 – V K63
2019-12-30 21:38:26 C 07 44 33.91 +14 05 29.4 – q C77
2019-12-30 21:40:34 C 07 44 33.44 +14 05 49.9 – V K63
2019-12-30 21:56:38 C 07 44 30.71 +14 08 12.8 – V 160
2019-12-30 22:00:00 C 07 44 30.12 +14 08 43.5 – V 108
2019-12-30 22:01:12 C 07 44 29.94 +14 08 53.6 – V 160
2019-12-30 22:02:13 C 07 44 29.77 +14 09 03.6 – V 108
2019-12-30 22:04:27 C 07 44 29.44 +14 09 23.5 – V 108
2019-12-30 22:05:49 C 07 44 29.17 +14 09 34.6 – V 160
2019-12-30 22:16:10 C 07 44 26.78 +14 11 05.5 – t L16
2019-12-30 22:18:14 C 07 44 26.34 +14 11 24.6 – t L16
2019-12-30 22:24:32 C 07 44 25.16 +14 12 19.2 – t L16
2019-12-30 22:25:35 C 07 44 25.16 +14 12 29.6 – t L16
2019-12-30 22:30:48 C 07 44 24.19 +14 13 15.2 – t L16
2019-12-30 22:32:54 C 07 44 23.75 +14 13 36.0 – t L16
2019-12-30 22:37:05 C 07 44 23.08 +14 14 11.3 – t L16
2019-12-30 22:38:22 C 07 44 23.68 +14 14 22.4 – V 204
2019-12-30 22:40:28 C 07 44 23.33 +14 14 41.0 – V 204
2019-12-30 22:40:53 C 07 44 23.25 +14 14 44.1 – V K38
2019-12-30 22:41:09 C 07 44 23.23 +14 14 42.2 – V C23
2019-12-30 22:42:08 C 07 44 23.04 +14 14 55.6 – V 204
2019-12-30 22:43:18 C 07 44 22.89 +14 15 00.8 – V C23
2019-12-30 22:44:12 C 07 44 22.69 +14 15 14.2 – V 204
2019-12-30 22:45:27 C 07 44 22.49 +14 15 20.5 – V C23
2019-12-30 22:46:18 C 07 44 22.33 +14 15 32.6 – V 204
2019-12-30 22:47:19 C 07 44 21.82 +14 15 37.2 – S C43
2019-12-30 22:47:38 C 07 44 22.15 +14 15 39.7 – V C23
2019-12-30 22:48:20 C 07 44 21.97 +14 15 50.6 – V K38
2019-12-30 22:49:16 C 07 44 21.86 +14 15 54.0 – V C23
2019-12-30 22:50:15 C 07 44 21.31 +14 16 03.5 – S C43
2019-12-30 22:50:56 C 07 44 21.59 +14 16 09.2 – V C23