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
2019-12-16 14:32:15 S 09 14 00.254 -54 06 47.20 – L C51
2019-12-16 14:32:26 S 09 14 00.470 -54 06 44.96 – L C51
2019-12-16 17:40:45 S 09 12 41.122 -53 38 12.37 – L C51
2019-12-29 08:50:11 C 07 50 41.70 +08 12 51.9 – V T05
2019-12-29 08:54:52 C 07 50 40.80 +08 13 40.2 – V T05
2019-12-29 09:05:55 C 07 50 38.74 +08 15 34.3 – V T05
2019-12-29 20:13:01 C 07 48 44.47 +10 07 06.1 – V L01
2019-12-29 20:13:23 C 07 48 44.40 +10 07 09.6 – V L01
2019-12-29 20:20:16 C 07 48 43.20 +10 08 17.9 – V L01
2019-12-29 20:20:38 C 07 48 43.13 +10 08 21.2 – V L01
2019-12-29 20:21:01 C 07 48 43.06 +10 08 25.1 – V L01
2019-12-29 20:21:24 C 07 48 42.99 +10 08 28.9 – V L01
2019-12-29 20:21:56 C 07 48 42.98 +10 08 31.6 – V K30
2019-12-29 20:26:39 C 07 48 42.14 +10 09 19.0 – V K30
2019-12-29 20:30:25 C 07 48 41.48 +10 09 56.0 – V K30
2019-12-29 20:49:26 C 07 48 37.78 +10 13 06.7 – V L54
2019-12-29 20:55:41 C 07 48 36.63 +10 14 07.4 – V L54
2019-12-29 20:55:42 C 07 48 36.94 +10 14 06.7 – V 595
2019-12-29 20:57:46 C 07 48 36.60 +10 14 27.9 – V 595
2019-12-29 21:02:53 C 07 48 35.35 +10 15 18.8 – V L54
2019-12-29 21:05:00 C 07 48 35.30 +10 15 39.0 – V 595
2019-12-29 21:05:41 C 07 48 34.82 +10 15 45.8 – V L54
2019-12-29 21:09:11 C 07 48 34.20 +10 16 21.1 – V L54
2019-12-29 21:09:40 C 07 48 34.48 +10 16 24.0 – V 595
2019-12-29 21:11:45 C 07 48 34.09 +10 16 44.8 – V 595
2019-12-29 21:13:20 C 07 48 33.45 +10 17 01.8 – V L54
2019-12-29 21:13:49 C 07 48 33.74 +10 17 05.2 – V 595
2019-12-29 21:49:14 C 07 48 27.60 +10 22 54.6 – V 104
2019-12-29 21:51:04 C 07 48 26.63 +10 23 11.6 – t L04
2019-12-29 21:53:31 C 07 48 26.83 +10 23 36.9 – V 104
2019-12-29 21:56:47 C 07 48 25.61 +10 24 07.7 – t L04
2019-12-29 22:03:07 C 07 48 24.46 +10 25 09.9 – t L04
2019-12-29 22:06:23 C 07 48 24.52 +10 25 43.4 – V 104
2019-12-29 22:27:13 C 07 48 20.28 +10 29 04.7 – o K88
2019-12-29 22:29:12 C 07 48 19.92 +10 29 24.1 – o K88
2019-12-29 22:31:10 C 07 48 19.56 +10 29 43.5 – o K88
2019-12-29 22:33:10 C 07 48 19.21 +10 30 02.8 – o K88
2019-12-29 22:35:08 C 07 48 18.84 +10 30 22.2 – o K88
2019-12-29 23:40:56 C 07 48 08.27 +10 41 11.6 – V I89
2019-12-29 23:46:47 C 07 48 07.22 +10 42 08.8 – V I89
2019-12-29 23:46:49 C 07 48 06.15 +10 42 00.4 – V C47
2019-12-29 23:50:22 C 07 48 06.59 +10 42 44.0 – V I89
2019-12-29 23:50:47 C 07 48 05.45 +10 42 38.7 – V C47
2019-12-29 23:54:44 C 07 48 04.74 +10 43 17.2 – V C47
2019-12-29 23:58:42 C 07 48 04.03 +10 43 55.6 – V C47
2019-12-30 00:02:38 C 07 48 03.33 +10 44 34.0 – V C47
2019-12-30 19:27:02 C 07 44 55.36 +13 45 46.9 – t 198
2019-12-30 19:30:24 C 07 44 54.70 +13 46 21.1 – V L04
2019-12-30 19:33:00 C 07 44 54.43 +13 46 40.9 – t 198
2019-12-30 19:38:24 C 07 44 53.35 +13 47 33.3 – V L04