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
2020-01-05 02:44:32 C 04 42 38.64 +12 44 25.2 V I52
2020-01-05 02:45:09 C 04 42 38.63 +12 44 26.8 V I52
2020-01-14 02:26:40 C 04 48 01.57 +18 29 48.0 V I52
2020-01-14 02:33:23 C 04 48 01.65 +18 29 53.8 V I52
2020-01-14 02:40:05 C 04 48 01.81 +18 30 01.3 V I52
2020-01-14 02:44:03 C 04 48 01.86 +18 30 05.5 V I52
2020-01-18 03:42:08 C 04 50 56.55 +19 49 28.0 o 711
2020-01-18 03:47:59 C 04 50 56.68 +19 49 31.9 o 711
2020-01-18 03:53:53 C 04 50 56.81 +19 49 36.1 o 711
2020-01-18 04:00:04 C 04 50 56.94 +19 49 40.5 o 711
2020-01-22 01:29:12 C 04 54 09.82 +20 46 54.2 u H21
2020-01-22 01:40:13 C 04 54 10.15 +20 47 00.0 u H21
2020-01-22 01:50:41 C 04 54 10.46 +20 47 06.2 u H21
2022-02-25 13:40:06 C 13 52 59.874 -03 53 25.10 V F52
2022-02-25 13:58:30 C 13 53 00.312 -03 53 18.23 V F52
2022-03-01 14:17:28 C 13 55 38.558 -03 07 23.42 V F52
2022-03-01 14:35:55 C 13 55 38.882 -03 07 13.23 V F52
2022-03-01 14:54:24 C 13 55 39.193 -03 07 02.81 V F52
2022-03-07 13:47:06 C 13 58 16.383 -01 27 53.43 V F52
2022-03-07 14:02:50 C 13 58 16.450 -01 27 40.27 V F52
2022-03-07 14:18:34 C 13 58 16.502 -01 27 26.62 V F52
2022-03-07 14:34:17 C 13 58 16.557 -01 27 13.02 V F52
2022-03-09 10:17:48 C 13 58 42.83 -00 47 22.3 V V06
2022-03-09 10:26:02 C 13 58 42.81 -00 47 14.3 V V06
2022-03-09 10:34:15 C 13 58 42.80 -00 47 06.5 V V06
2022-03-10 09:37:57 C 13 58 51.90 -00 23 49.0 V V06
2022-03-10 09:44:48 C 13 58 51.88 -00 23 42.0 V V06
2022-03-10 09:51:40 C 13 58 51.87 -00 23 34.9 V V06
2022-03-10 09:58:32 C 13 58 51.83 -00 23 27.3 V V06
2022-03-23 09:45:22 C 13 52 41.02 +08 59 47.1 V G96
2022-03-23 09:52:51 C 13 52 40.43 +09 00 08.7 V G96
2022-03-23 10:12:16 C 13 52 38.94 +09 01 08.0 V G96
2022-03-23 10:19:43 C 13 52 38.45 +09 01 29.9 V G96
2022-03-27 01:28:33 C 13 46 03.59 +14 14 08.7 V K88
2022-03-27 01:34:13 C 13 46 02.94 +14 14 32.2 V K88
2022-03-29 22:42:08 C 13 37 34.20 +20 02 01.9 X 033
2022-03-29 22:44:17 C 13 37 33.82 +20 02 13.7 X 033
2022-03-29 22:46:37 C 13 37 33.44 +20 02 28.4 X 033
2022-03-29 22:49:18 C 13 37 32.99 +20 02 43.9 X 033
2022-04-01 09:04:07 C 13 26 26.182 +26 36 27.58 V 703
2022-04-01 09:19:07 C 13 26 22.254 +26 38 21.12 V 703
2022-04-01 09:26:37 C 13 26 20.216 +26 39 19.37 V 703
2022-04-02 22:57:16 C 13 16 09.16 +31 56 11.5 X 033
2022-04-02 22:57:40 C 13 16 09.04 +31 56 15.4 X 033
2022-04-02 22:58:04 C 13 16 08.90 +31 56 19.2 X 033
2022-04-03 03:33:19 C 13 14 34.26 +32 38 45.7 X 033
2022-04-03 03:33:44 C 13 14 34.13 +32 38 49.8 X 033
2022-04-03 03:34:08 C 13 14 34.01 +32 38 53.5 X 033
2022-04-03 03:34:37 C 13 14 33.86 +32 38 58.0 X 033
2022-04-04 00:27:58 C 13 07 02.16 +36 05 04.1 X 033