IAA RAS IAA Minor Planet Database

2019 YL4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1696987434 ± 7.05e-07
Semi-major axis (a)0.9714171036 AU ± 1.11e-07
Inclination (i)8.10082609° ± 2.37e-05
Long. of Asc. Node (Ω)107.70667899° ± 1.47e-05
Arg. of Perihelion (ω)176.47158597° ± 4.74e-05
Mean Anomaly (M)231.79231758° ± 3.57e-04
Mean Motion (n)1.0294462064°/day ± 1.76e-07
Perihelion dist (q)0.80656884 AU ± 6.91e-07
Aphelion dist (Q)1.13626537 AU ± 6.97e-07
Orbital Period0.95743350 yr ± 1.63e-07
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.304″
Uncertainty0
Orbit TypeAten
MOID0.124919 AU
Observations Used49
Oppositions1
Arc Total2018-2021
First Observation Used2018-12-14
Last Observation Used2021-02-24
Observations (54)
Date Type RA Dec Mag Band Observatory
2018-12-14 08:11:27 C 03 35 33.067 -09 58 53.46 – V F51
2019-01-10 07:30:37 C 03 14 17.017 +11 45 44.23 – V F51
2019-12-04 14:18:06 C 08 39 45.360 +00 59 08.34 – V F52
2019-12-04 14:36:28 C 08 39 45.184 +00 59 18.26 – V F52
2019-12-04 14:54:44 C 08 39 45.030 +00 59 28.42 – V F52
2019-12-28 10:34:36 C 08 12 11.094 +12 08 24.59 – U F51
2019-12-28 10:51:55 C 08 12 08.949 +12 08 57.89 – U F51
2019-12-28 11:26:27 C 08 12 04.675 +12 10 04.61 – U F51
2019-12-29 01:59:29 C 08 10 25.32 +12 37 55.5 – V L01
2019-12-29 02:04:01 C 08 10 24.69 +12 38 04.4 – V L01
2019-12-29 02:13:05 C 08 10 23.62 +12 38 23.1 – V L01
2019-12-29 02:17:39 C 08 10 23.01 +12 38 31.5 – V L01
2019-12-29 03:26:49 C 08 10 14.72 +12 40 41.6 – V 033
2019-12-29 03:31:58 C 08 10 14.09 +12 40 51.3 – V 033
2019-12-30 04:58:57 C 08 07 17.10 +13 32 47.5 – V 807
2019-12-30 05:07:03 C 08 07 16.02 +13 33 04.1 – V 807
2019-12-30 05:15:12 C 08 07 14.93 +13 33 20.8 – V 807
2019-12-30 22:58:21 C 08 05 04.44 +14 08 29.3 – V 033
2019-12-30 23:03:29 C 08 05 03.77 +14 08 40.2 – V 033
2020-01-01 13:21:25 C 08 00 02.943 +15 30 06.96 – V F51
2020-01-01 13:40:48 C 08 00 00.063 +15 30 48.70 – V F51
2020-01-01 14:19:53 C 07 59 54.306 +15 32 11.40 – V F51
2020-01-03 07:52:49 C 07 54 09.13 +17 03 27.6 – V I52
2020-01-03 07:56:24 C 07 54 08.59 +17 03 36.2 – V I52
2020-01-03 08:00:00 C 07 54 07.96 +17 03 42.6 – V I52
2020-01-03 08:07:14 C 07 54 06.84 +17 04 00.3 – V I52
2020-01-05 07:41:19 C 07 46 59.57 +18 52 10.9 – V I52
2020-01-05 07:44:55 C 07 46 59.01 +18 52 20.3 – V I52
2020-01-07 07:19:32 C 07 39 23.18 +20 43 09.0 – V I52
2020-01-07 07:21:56 C 07 39 22.70 +20 43 14.7 – V I52
2020-01-07 07:24:20 C 07 39 22.30 +20 43 20.7 – V I52
2020-01-07 07:26:43 C 07 39 21.97 +20 43 23.4 – V I52
2020-01-14 07:32:11 C 07 09 37.03 +27 14 41.1 – V I52
2020-01-14 07:36:56 C 07 09 36.04 +27 14 51.5 – V I52
2020-01-14 07:41:41 C 07 09 34.99 +27 15 03.5 – V I52
2020-01-14 08:04:38 C 07 09 30.50 +27 15 54.3 – o 695
2020-01-14 08:11:12 C 07 09 29.19 +27 16 08.9 – o 695
2020-01-14 08:17:46 C 07 09 27.87 +27 16 23.4 – o 695
2020-01-14 10:48:46 C 07 08 57.93 +27 21 52.7 – o 291
2020-01-14 11:11:18 C 07 08 53.56 +27 22 41.0 – o 291
2020-01-18 09:27:53 C 06 51 16.62 +30 44 22.5 – V I52
2020-01-18 09:41:17 C 06 51 14.02 +30 44 48.4 – V I52
2020-01-18 09:55:03 C 06 51 11.29 +30 45 14.9 – V I52
2020-01-29 08:37:07 C 06 06 38.07 +37 55 41.9 – o 291
2020-01-29 08:52:29 C 06 06 35.80 +37 55 59.1 – o 291
2020-01-29 09:07:49 C 06 06 33.48 +37 56 16.7 – o 291
2021-02-15 08:42:46 C 13 41 22.25 +40 58 40.1 – V G96
2021-02-15 08:51:08 C 13 41 23.84 +40 59 07.2 – V G96
2021-02-15 08:59:28 C 13 41 25.48 +40 59 34.2 – V G96
2021-02-17 14:14:05 C 13 52 56.295 +43 49 39.74 – V F52