2021 CY4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6766548000 ± 2.00e+00
Semi-major axis (a)1.9433036000 AU ± 3.00e+00
Inclination (i)57.69452000° ± 4.00e+00
Long. of Asc. Node (Ω)318.83672000° ± 5.00e+00
Arg. of Perihelion (ω)269.95976000° ± 6.00e+00
Mean Anomaly (M)256.71373000° ± 1.51e+04
Mean Motion (n)0.3638254500°/day ± 8.42e-01
Perihelion dist (q)0.62835790 AU ± 4.01e+00
Aphelion dist (Q)3.25824930 AU ± 6.36e+00
Orbital Period2.70901230 yr ± 6.27e+00
Physical Parameters
H (abs. magnitude)23.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.550″
Uncertainty6
Orbit TypeApollo
MOID0.030088 AU
Observations Used42
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-12
Observations (42)
Date Type RA Dec Mag Band Observatory
2021-02-09 05:59:02 C 07 59 43.08 +12 12 28.7 U I41
2021-02-09 05:59:33 C 07 59 41.95 +12 12 14.2 U I41
2021-02-09 06:08:04 C 07 59 22.91 +12 08 18.2 U I41
2021-02-09 06:08:35 C 07 59 21.73 +12 08 03.9 U I41
2021-02-09 07:39:12 C 07 55 57.76 +11 25 49.7 V I52
2021-02-09 07:39:23 C 07 55 57.32 +11 25 44.2 V I52
2021-02-09 07:39:35 C 07 55 56.88 +11 25 38.4 V I52
2021-02-09 07:39:46 C 07 55 56.48 +11 25 33.5 V I52
2021-02-09 08:03:28 C 07 55 04.02 +11 14 21.0 U I41
2021-02-09 08:03:59 C 07 55 02.92 +11 14 07.7 U I41
2021-02-09 08:04:10 C 07 55 02.49 +11 14 02.9 U I41
2021-02-09 08:04:39 C 07 55 01.43 +11 13 48.2 U I41
2021-02-09 15:36:38 C 07 38 13.44 +07 34 06.9 V N88
2021-02-09 15:37:03 C 07 38 12.49 +07 33 55.3 V N88
2021-02-09 15:37:29 C 07 38 11.49 +07 33 41.5 V N88
2021-02-09 15:37:54 C 07 38 10.54 +07 33 29.1 V N88
2021-02-09 15:38:20 C 07 38 09.52 +07 33 17.0 V N88
2021-02-09 20:31:26 C 07 27 07.82 +05 05 58.5 V J04
2021-02-09 20:31:42 C 07 27 07.23 +05 05 50.0 V J04
2021-02-09 20:31:57 C 07 27 06.59 +05 05 41.8 V J04
2021-02-09 20:47:49 C 07 26 25.88 +04 56 53.3 V 033
2021-02-09 20:48:18 C 07 26 24.72 +04 56 37.9 V 033
2021-02-09 20:48:48 C 07 26 23.59 +04 56 22.7 V 033
2021-02-10 01:47:09 C 07 15 04.97 +02 23 37.8 V W34
2021-02-10 01:57:59 C 07 14 39.80 +02 18 02.2 V W34
2021-02-10 02:07:09 C 07 14 18.58 +02 13 17.9 V W34
2021-02-10 05:02:28 C 07 07 37.26 +00 42 16.3 q U55
2021-02-10 05:04:35 C 07 07 32.40 +00 41 10.5 q U55
2021-02-10 05:06:45 C 07 07 27.40 +00 40 03.2 q U55
2021-02-10 19:08:42 C 06 35 50.14 -06 27 44.7 V J95
2021-02-10 19:33:26 C 06 34 54.79 -06 39 54.9 V J95
2021-02-10 19:45:39 C 06 34 26.67 -06 45 48.3 V 204
2021-02-10 19:46:58 C 06 34 24.52 -06 46 33.1 V J95
2021-02-10 19:53:22 C 06 34 10.29 -06 49 41.6 V J95
2021-02-10 19:57:24 C 06 34 00.34 -06 51 33.1 V 204
2021-02-10 20:52:19 C 06 32 01.00 -07 17 49.5 V J04
2021-02-10 20:53:00 C 06 31 59.44 -07 18 09.8 V J04
2021-02-10 20:53:41 C 06 31 57.93 -07 18 29.6 V J04
2021-02-12 02:49:25 C 05 30 59.52 -19 47 28.8 V I52
2021-02-12 02:51:26 C 05 30 55.72 -19 48 09.6 V I52
2021-02-12 02:53:24 C 05 30 52.07 -19 48 49.9 V I52
2021-02-12 02:55:22 C 05 30 48.37 -19 49 30.4 V I52