2021 CY

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6884595366
Semi-major axis (a)2.7630553116 AU
Inclination (i)1.97552616°
Long. of Asc. Node (Ω)133.51597234° ± 5.00e+00
Arg. of Perihelion (ω)312.46083973° ± 6.00e+00
Mean Anomaly (M)22.73231181°
Mean Motion (n)0.2145952300°/day
Perihelion dist (q)0.86080340 AU
Aphelion dist (Q)4.66530420 AU
Orbital Period4.59286850 yr
Physical Parameters
H (abs. magnitude)27.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.408″
Uncertainty
Orbit TypeApollo
MOID0.000652 AU
Observations Used19
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-02-08
Observations (19)
Date Type RA Dec Mag Band Observatory
2021-02-05 06:50:32 C 09 21 23.44 +19 13 37.1 V G96
2021-02-05 06:58:36 C 09 21 31.22 +19 13 10.1 V G96
2021-02-05 07:06:41 C 09 21 38.84 +19 12 43.7 V G96
2021-02-05 07:14:45 C 09 21 46.56 +19 12 16.7 V G96
2021-02-05 10:26:03 C 09 24 42.34 +19 01 28.8 V I52
2021-02-05 10:27:51 C 09 24 44.02 +19 01 23.2 V I52
2021-02-05 10:29:40 C 09 24 45.66 +19 01 16.3 V I52
2021-02-06 06:09:19 C 09 40 30.75 +18 06 56.9 V I52
2021-02-06 06:11:44 C 09 40 32.15 +18 06 50.2 V I52
2021-02-06 06:14:08 C 09 40 33.59 +18 06 45.2 V I52
2021-02-06 06:24:22 C 09 40 33.90 +18 05 58.4 u H21
2021-02-06 06:30:13 C 09 40 37.31 +18 05 44.6 u H21
2021-02-06 06:33:24 C 09 40 39.17 +18 05 37.4 u H21
2021-02-06 06:50:15 C 09 40 44.58 +18 09 22.0 u 807
2021-02-06 06:56:32 C 09 40 48.18 +18 09 07.0 u 807
2021-02-06 07:02:47 C 09 40 51.77 +18 08 51.3 u 807
2021-02-08 11:42:17 C 10 03 18.23 +16 35 23.2 o 291
2021-02-08 11:49:10 C 10 03 20.00 +16 35 14.2 o 291
2021-02-08 11:56:07 C 10 03 21.84 +16 35 04.4 o 291