620000 (2019 YS4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5522863067 ± 3.77e-08
Semi-major axis (a)1.2774995551 AU ± 3.37e-09
Inclination (i)21.41937088° ± 4.77e-06
Long. of Asc. Node (Ω)102.53663585° ± 6.80e-06
Arg. of Perihelion (ω)160.37107574° ± 7.85e-06
Mean Anomaly (M)287.68791035° ± 7.38e-06
Mean Motion (n)0.6826076323°/day ± 2.70e-09
Perihelion dist (q)0.57195404 AU ± 4.82e-08
Aphelion dist (Q)1.98304507 AU ± 4.85e-08
Orbital Period1.44391337 yr ± 5.72e-09
Physical Parameters
H (abs. magnitude)19.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.169″
Uncertainty0
Orbit TypeApollo
MOID0.311043 AU
Observations Used119
Oppositions4
Arc Total2010-2023
First Observation Used2010-02-16
Last Observation Used2023-12-04
Observations (127)
Date Type RA Dec Mag Band Observatory
2020-11-12 04:28:45 C 05 07 34.38 -07 04 07.0 u 807
2020-11-12 04:43:45 C 05 07 32.99 -07 04 07.0 u 807
2020-11-12 04:58:20 C 05 07 31.65 -07 04 07.3 u 807
2020-11-16 10:39:52 C 04 58 00.203 -07 00 26.89 U F51
2020-11-16 10:57:05 C 04 57 58.497 -07 00 25.79 U F51
2020-11-16 11:14:17 C 04 57 56.800 -07 00 24.22 U F51
2020-11-16 11:31:29 C 04 57 55.106 -07 00 23.10 U F51
2023-01-19 13:28:21 C 12 51 03.979 +29 43 40.30 U F52
2023-01-19 13:42:54 C 12 51 06.835 +29 44 01.31 U F52
2023-01-19 13:57:34 C 12 51 09.717 +29 44 22.35 U F52
2023-01-31 03:28:04 C 14 01 46.92 +37 05 59.1 X C95
2023-01-31 04:04:09 C 14 01 58.28 +37 06 58.8 X C95
2023-02-09 11:44:20 C 15 28 37.654 +42 28 23.77 V G96
2023-02-09 11:51:51 C 15 28 40.991 +42 28 31.66 V G96
2023-02-09 11:59:22 C 15 28 44.346 +42 28 40.04 V G96
2023-02-09 12:06:54 C 15 28 47.723 +42 28 47.75 V G96
2023-02-15 14:14:58 S 16 39 40.71 +43 48 10.1 L C51
2023-02-15 15:48:29 S 16 40 27.95 +43 48 09.9 L C51
2023-02-15 15:48:40 S 16 40 28.09 +43 48 09.7 L C51
2023-02-15 17:22:22 S 16 41 15.48 +43 48 07.8 L C51
2023-02-15 18:55:54 S 16 42 02.77 +43 48 04.7 L C51
2023-02-15 20:29:36 S 16 42 50.16 +43 48 00.7 L C51
2023-02-15 20:29:46 S 16 42 50.21 +43 48 01.6 L C51
2023-02-15 22:03:18 S 16 43 37.56 +43 47 55.8 L C51
2023-12-04 09:28:33 C 05 30 20.134 +04 14 37.92 X F52
2023-12-04 09:47:04 C 05 30 18.387 +04 14 42.25 X F52
2023-12-04 10:05:34 C 05 30 16.643 +04 14 46.54 X F52