IAA RAS IAA Minor Planet Database

2020 YY4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5028106324 ± 1.02e-07
Semi-major axis (a)2.5877546345 AU ± 9.48e-08
Inclination (i)14.48644434° ± 1.05e-05
Long. of Asc. Node (Ω)280.44386652° ± 1.97e-05
Arg. of Perihelion (ω)245.36325861° ± 6.84e-05
Mean Anomaly (M)46.08998032° ± 3.57e-05
Mean Motion (n)0.2367705231°/day ± 1.30e-08
Perihelion dist (q)1.28660409 AU ± 2.67e-07
Aphelion dist (Q)3.88890518 AU ± 2.99e-07
Orbital Period4.16279134 yr ± 2.29e-07
Physical Parameters
H (abs. magnitude)20.75
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.222″
Uncertainty0
Orbit TypeAmor
MOID0.382228 AU
Observations Used79
Oppositions3
Arc Total2020-2024
First Observation Used2020-12-24
Last Observation Used2024-12-22
Observations (83)
Date Type RA Dec Mag Band Observatory
2020-12-24 14:26:12 C 08 38 55.735 +14 39 08.18 – U F51
2020-12-24 14:41:30 C 08 38 55.828 +14 38 51.62 – U F51
2020-12-24 14:56:46 C 08 38 55.939 +14 38 34.98 – U F51
2020-12-24 15:12:01 C 08 38 55.993 +14 38 18.09 – U F51
2020-12-25 07:53:23 C 08 39 06.26 +14 19 59.5 – o 291
2020-12-25 08:22:10 C 08 39 06.35 +14 19 29.1 – o 291
2020-12-28 06:26:34 C 08 39 31.91 +13 00 10.6 – V 807
2020-12-28 06:35:38 C 08 39 31.90 +13 00 00.0 – V 807
2020-12-28 06:44:19 C 08 39 31.92 +12 59 49.9 – V 807
2020-12-29 06:35:55 C 08 39 35.85 +12 31 39.4 – V 807
2020-12-29 06:45:22 C 08 39 35.83 +12 31 28.2 – V 807
2020-12-29 06:54:50 C 08 39 35.81 +12 31 16.8 – V 807
2021-01-04 04:55:56 C 08 39 07.91 +09 31 58.4 – u 807
2021-01-04 05:05:03 C 08 39 07.77 +09 31 46.3 – u 807
2021-01-04 05:13:47 C 08 39 07.62 +09 31 35.1 – u 807
2021-01-04 08:44:45 C 08 39 05.62 +09 26 36.1 – V I52
2021-01-04 09:05:37 C 08 39 05.33 +09 26 08.5 – V I52
2021-01-04 09:10:28 C 08 39 05.26 +09 26 01.6 – V I52
2021-01-07 10:12:45 C 08 38 15.339 +07 45 55.74 – U F51
2021-01-07 10:31:30 C 08 38 14.986 +07 45 29.48 – U F51
2021-01-07 10:52:01 C 08 38 14.603 +07 45 00.66 – U F51
2021-01-10 07:46:16 C 08 37 05.77 +06 05 56.1 – V I52
2021-01-10 07:50:36 C 08 37 05.66 +06 05 48.6 – V I52
2021-01-10 07:57:42 C 08 37 05.51 +06 05 38.5 – V I52
2021-01-11 07:07:47 C 08 36 38.09 +05 31 26.2 – V G96
2021-01-11 07:15:12 C 08 36 37.95 +05 31 15.1 – V G96
2021-01-11 07:22:38 C 08 36 37.75 +05 31 04.0 – V G96
2021-01-11 07:30:03 C 08 36 37.59 +05 30 53.2 – V G96
2021-01-12 06:59:53 C 08 36 07.46 +04 55 43.6 – V I52
2021-01-12 07:17:03 C 08 36 07.04 +04 55 18.6 – V I52
2021-01-14 10:30:48 C 08 34 53.856 +03 37 13.84 – U F51
2021-01-14 10:48:12 C 08 34 53.328 +03 36 46.94 – U F51
2021-01-14 11:05:48 C 08 34 52.799 +03 36 19.70 – U F51
2021-01-14 11:23:21 C 08 34 52.256 +03 35 52.80 – U F51
2021-01-16 06:59:54 C 08 33 42.83 +02 27 50.9 – V I52
2021-01-16 07:22:16 C 08 33 42.13 +02 27 16.1 – V I52
2021-01-16 07:48:26 C 08 33 41.27 +02 26 35.3 – V I52
2021-01-17 06:40:57 C 08 33 01.65 +01 50 47.4 – u 807
2021-01-17 06:47:42 C 08 33 01.42 +01 50 36.7 – u 807
2021-01-17 06:54:13 C 08 33 01.24 +01 50 26.2 – u 807
2021-01-18 04:56:33 C 08 32 22.53 +01 15 21.9 – u 807
2021-01-18 05:02:06 C 08 32 22.33 +01 15 13.0 – u 807
2021-01-18 05:07:29 C 08 32 22.13 +01 15 04.1 – u 807
2021-01-31 09:08:59 C 08 21 12.44 -07 20 05.1 – V I52
2021-01-31 09:11:49 C 08 21 12.37 -07 20 09.2 – V I52
2021-01-31 09:14:39 C 08 21 12.24 -07 20 13.5 – V I52
2021-02-02 04:47:32 C 08 19 35.09 -08 29 27.6 – u 807
2021-02-02 04:51:57 C 08 19 34.94 -08 29 34.7 – u 807
2021-02-02 04:56:20 C 08 19 34.72 -08 29 41.1 – u 807
2021-02-04 04:45:36 C 08 17 49.27 -09 44 46.5 – u 807