IAA RAS IAA Minor Planet Database

2019 YA4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4703845883 ± 2.58e-08
Semi-major axis (a)0.9230750177 AU ± 2.90e-09
Inclination (i)2.82174703° ± 1.61e-06
Long. of Asc. Node (Ω)119.70025116° ± 2.49e-05
Arg. of Perihelion (ω)206.62662656° ± 2.78e-05
Mean Anomaly (M)311.89445281° ± 8.79e-06
Mean Motion (n)1.1113651655°/day ± 5.23e-09
Perihelion dist (q)0.48887476 AU ± 2.39e-08
Aphelion dist (Q)1.35727528 AU ± 2.42e-08
Orbital Period0.88686088 yr ± 4.17e-09
Physical Parameters
H (abs. magnitude)23.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.303″
Uncertainty0
Orbit TypeAten
MOID0.022967 AU
Observations Used159
Oppositions1
Arc Total2013-2022
First Observation Used2013-02-12
Last Observation Used2022-04-13
Observations (166)
Date Type RA Dec Mag Band Observatory
2019-12-30 12:33:41 C 04 39 07.75 +02 19 34.5 – V 474
2019-12-30 12:35:57 C 04 39 07.77 +02 19 52.6 – V 474
2019-12-30 12:38:49 C 04 39 07.79 +02 20 15.9 – V 474
2019-12-30 12:41:40 C 04 39 07.82 +02 20 38.6 – V 474
2019-12-30 18:17:27 C 04 39 25.47 +03 01 07.6 – V L04
2019-12-30 18:24:48 C 04 39 25.53 +03 02 03.6 – V L04
2019-12-30 18:32:10 C 04 39 25.55 +03 02 59.9 – V L04
2019-12-30 19:22:23 C 04 39 27.80 +03 09 25.3 – V C95
2019-12-30 19:28:25 C 04 39 27.86 +03 10 10.9 – V C95
2019-12-30 19:34:27 C 04 39 27.86 +03 10 56.3 – V C95
2019-12-30 21:26:16 C 04 39 27.60 +03 24 39.5 – V K87
2019-12-30 21:41:43 C 04 39 27.67 +03 26 33.4 – V K87
2019-12-30 21:56:43 C 04 39 27.74 +03 28 23.8 – V K87
2019-12-31 00:49:30 C 04 39 28.90 +03 49 17.9 – V 204
2019-12-31 00:53:14 C 04 39 28.92 +03 49 44.9 – V 204
2019-12-31 00:56:57 C 04 39 28.98 +03 50 11.2 – V 204
2019-12-31 20:05:00 C 04 40 09.12 +05 54 27.8 – V C95
2019-12-31 20:32:11 C 04 40 09.17 +05 57 08.6 – V C95
2020-01-01 21:39:35 C 04 40 45.87 +08 09 27.6 – V 246
2020-01-01 21:39:59 C 04 40 45.87 +08 09 30.1 – V 246
2020-01-01 21:40:50 C 04 40 45.90 +08 09 34.6 – V 246
2020-01-01 21:42:07 C 04 40 45.85 +08 09 39.7 – V 246
2020-01-01 21:43:13 C 04 40 45.90 +08 09 44.7 – V 246
2020-01-01 21:43:26 C 04 40 45.86 +08 09 45.6 – V 246
2020-01-01 21:43:49 C 04 40 45.86 +08 09 47.2 – V 246
2020-01-02 05:13:55 C 04 40 58.08 +08 44 32.3 – V I52
2020-01-02 05:14:11 C 04 40 58.12 +08 44 32.6 – V I52
2020-01-02 05:17:29 C 04 40 58.08 +08 44 48.0 – V I52
2020-01-02 05:17:45 C 04 40 58.08 +08 44 48.2 – V I52
2020-01-02 09:00:19 C 04 41 02.37 +09 01 20.3 – V T05
2020-01-02 09:04:17 C 04 41 02.36 +09 01 37.3 – V T05
2020-01-02 09:27:22 C 04 41 02.21 +09 03 15.8 – V T05
2020-01-02 09:36:02 C 04 41 02.20 +09 03 52.4 – V T05
2020-01-02 20:30:58 C 04 41 20.71 +09 47 50.7 – V 246
2020-01-02 20:31:30 C 04 41 20.69 +09 47 54.1 – V 246
2020-01-02 20:31:45 C 04 41 20.67 +09 47 54.7 – V 246
2020-01-02 20:32:02 C 04 41 20.64 +09 47 56.1 – V 246
2020-01-02 20:32:27 C 04 41 20.68 +09 47 57.8 – V 246
2020-01-02 20:33:06 C 04 41 20.68 +09 48 00.2 – V 246
2020-01-02 20:33:21 C 04 41 20.66 +09 48 01.5 – V 246
2020-01-03 02:47:42 C 04 41 32.54 +10 12 18.1 – V I52
2020-01-03 02:50:15 C 04 41 32.52 +10 12 27.5 – V I52
2020-01-03 02:52:48 C 04 41 32.54 +10 12 37.4 – V I52
2020-01-03 02:55:20 C 04 41 32.54 +10 12 47.0 – V I52
2020-01-04 01:59:51 C 04 42 05.48 +11 32 10.4 – V I52
2020-01-04 02:01:26 C 04 42 05.53 +11 32 15.6 – V I52
2020-01-04 02:01:47 C 04 42 05.55 +11 32 16.3 – V I52
2020-01-04 02:04:59 C 04 42 05.58 +11 32 26.7 – V I52
2020-01-05 02:39:43 C 04 42 38.63 +12 44 11.9 – V I52
2020-01-05 02:40:19 C 04 42 38.61 +12 44 13.7 – V I52