2021 QZ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5192033000
Semi-major axis (a)2.5877330000 AU
Inclination (i)12.05118000°
Long. of Asc. Node (Ω)177.34618000°
Arg. of Perihelion (ω)189.48461000°
Mean Anomaly (M)355.81313000°
Mean Motion (n)0.2367690200°/day
Perihelion dist (q)1.24417350 AU
Aphelion dist (Q)3.93129250 AU
Orbital Period4.16273910 yr
Physical Parameters
H (abs. magnitude)22.71
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.980″
Uncertainty5
Orbit TypeAmor
MOID0.241713 AU
Observations Used28
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-25
Observations (28)
Date Type RA Dec Mag Band Observatory
2021-08-31 10:16:36 C 21 08 28.395 +04 07 49.86 U F51
2021-08-31 10:30:05 C 21 08 28.727 +04 07 34.42 U F51
2021-08-31 10:43:27 C 21 08 29.050 +04 07 19.23 U F51
2021-09-02 02:23:15 C 21 09 49.78 +03 20 27.5 u H21
2021-09-02 02:40:46 C 21 09 50.28 +03 20 06.8 u H21
2021-09-02 02:50:41 C 21 09 50.60 +03 19 55.0 u H21
2021-09-02 03:20:47 C 21 09 51.11 +03 19 48.8 V 807
2021-09-02 03:31:08 C 21 09 51.39 +03 19 36.4 V 807
2021-09-02 03:40:43 C 21 09 51.67 +03 19 25.1 V 807
2021-09-02 21:10:55 C 21 10 30.12 +02 57 27.1 V 033
2021-09-02 21:16:05 C 21 10 30.29 +02 57 20.8 V 033
2021-09-02 21:21:15 C 21 10 30.48 +02 57 14.1 V 033
2021-09-02 21:26:44 C 21 10 30.64 +02 57 07.6 V 033
2021-09-08 08:11:37 C 21 16 18.744 +00 04 35.21 U F52
2021-09-08 08:28:22 C 21 16 19.481 +00 04 11.69 U F52
2021-09-08 08:45:06 C 21 16 20.228 +00 03 48.27 U F52
2021-09-08 09:01:52 C 21 16 20.965 +00 03 24.90 U F52
2021-09-11 07:05:45 C 21 20 17.13 -01 37 13.5 o 691
2021-09-11 07:18:08 C 21 20 17.82 -01 37 31.6 o 691
2021-09-11 07:30:32 C 21 20 18.58 -01 37 49.6 o 691
2021-09-13 03:26:09 C 21 23 07.70 -02 43 01.0 o 291
2021-09-13 03:34:31 C 21 23 08.16 -02 43 13.2 o 291
2021-09-13 03:42:52 C 21 23 08.64 -02 43 26.5 o 291
2021-09-29 05:07:37 C 21 58 18.02 -12 27 28.7 o 691
2021-09-29 05:25:46 C 21 58 20.02 -12 27 55.2 o 691
2021-10-25 04:02:49 C 23 23 39.14 -21 44 09.1 V 807
2021-10-25 04:10:48 C 23 23 40.24 -21 44 11.4 V 807
2021-10-25 04:18:46 C 23 23 41.35 -21 44 13.6 V 807