2020 YL4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6510513253 ± 7.50e-04
Semi-major axis (a)2.1977611664 AU ± 4.36e-03
Inclination (i)14.29859513° ± 1.84e-02
Long. of Asc. Node (Ω)300.89666455° ± 1.13e-02
Arg. of Perihelion (ω)72.89154998° ± 1.43e-02
Mean Anomaly (M)199.02259086° ± 1.67e+00
Mean Motion (n)0.3025112521°/day ± 9.01e-04
Perihelion dist (q)0.76690585 AU ± 2.24e-03
Aphelion dist (Q)3.62861649 AU ± 7.39e-03
Orbital Period3.25814751 yr ± 9.70e-03
Physical Parameters
H (abs. magnitude)22.49
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.415″
Uncertainty4
Orbit TypeApollo
MOID0.019548 AU
Observations Used35
Oppositions1
Arc Total2020-2021
First Observation Used2020-12-24
Last Observation Used2021-01-10
Observations (35)
Date Type RA Dec Mag Band Observatory
2020-12-24 08:46:40 C 07 26 00.805 +65 10 39.87 U F51
2020-12-24 09:01:34 C 07 25 53.714 +65 09 13.80 U F51
2020-12-24 09:31:24 C 07 25 39.646 +65 06 22.61 U F51
2020-12-25 00:27:41 C 07 19 22.65 +63 39 42.0 V J95
2020-12-25 00:36:28 C 07 19 19.07 +63 38 52.1 V J95
2020-12-25 00:47:06 C 07 19 14.78 +63 37 50.7 V J95
2020-12-25 00:56:21 C 07 19 11.03 +63 36 57.7 V J95
2020-12-25 07:23:07 C 07 16 44.67 +63 00 22.5 q H36
2020-12-25 07:35:37 C 07 16 39.83 +62 59 11.7 q H36
2020-12-25 07:48:07 C 07 16 34.88 +62 57 59.7 q H36
2020-12-26 04:08:19 C 07 09 48.88 +61 04 12.6 q 858
2020-12-26 04:19:43 C 07 09 43.87 +61 03 15.5 u H21
2020-12-26 04:23:55 C 07 09 42.53 +61 02 52.9 u H21
2020-12-26 04:25:40 C 07 09 43.33 +61 02 39.4 q 858
2020-12-26 04:28:57 C 07 09 40.91 +61 02 25.5 u H21
2020-12-26 04:38:40 C 07 09 38.23 +61 01 30.1 q H36
2020-12-26 05:28:38 C 07 09 22.21 +60 57 01.2 q H36
2020-12-26 05:33:28 C 07 09 21.81 +60 56 33.6 V I52
2020-12-26 05:36:19 C 07 09 20.89 +60 56 18.3 V I52
2020-12-26 05:58:11 C 07 09 13.89 +60 54 20.5 V I52
2020-12-26 20:49:24 C 07 04 57.40 +59 33 46.9 V L01
2020-12-26 20:58:00 C 07 04 54.87 +59 33 00.9 V L01
2021-01-02 06:25:05 C 06 38 52.19 +47 50 00.3 V I52
2021-01-02 06:28:43 C 06 38 51.80 +47 49 46.5 V I52
2021-01-02 06:32:21 C 06 38 51.41 +47 49 32.2 V I52
2021-01-02 06:35:59 C 06 38 50.91 +47 49 18.6 V I52
2021-01-03 09:45:54 C 06 36 11.57 +46 07 54.9 V I52
2021-01-03 09:53:24 C 06 36 10.88 +46 07 27.3 V I52
2021-01-03 09:57:02 C 06 36 10.45 +46 07 13.7 V I52
2021-01-04 07:51:16 C 06 34 20.27 +44 50 11.0 V I52
2021-01-04 07:57:54 C 06 34 19.78 +44 49 47.6 V I52
2021-01-04 08:15:30 C 06 34 18.10 +44 48 47.0 V I52
2021-01-10 10:01:37 C 06 26 03.14 +37 44 53.1 V V06
2021-01-10 10:23:35 C 06 26 02.22 +37 43 58.7 V V06
2021-01-10 10:26:09 C 06 26 02.10 +37 43 50.9 V V06