2021 PM4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4299440000
Semi-major axis (a)1.8799704000 AU
Inclination (i)2.60361000°
Long. of Asc. Node (Ω)161.84189000°
Arg. of Perihelion (ω)144.56984000°
Mean Anomaly (M)241.82160000°
Mean Motion (n)0.3823645000°/day
Perihelion dist (q)1.07168840 AU
Aphelion dist (Q)2.68825240 AU
Orbital Period2.57766530 yr
Physical Parameters
H (abs. magnitude)26.58
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.410″
Uncertainty7
Orbit TypeAmor
MOID0.061011 AU
Observations Used24
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-05
Observations (26)
Date Type RA Dec Mag Band Observatory
2021-08-07 08:00:37 C 20 58 35.303 +03 19 47.18 U F51
2021-08-07 08:19:11 C 20 58 42.734 +03 19 37.25 U F51
2021-08-07 08:37:41 C 20 58 50.175 +03 19 26.82 U F51
2021-08-07 12:18:06 C 21 00 16.797 +03 17 23.47 V F51
2021-08-07 12:19:02 C 21 00 17.185 +03 17 22.85 V F51
2021-08-08 10:51:40 C 21 09 51.443 +03 04 19.12 V F51
2021-08-08 11:28:06 C 21 10 05.149 +03 03 57.11 V F51
2021-08-08 12:04:01 C 21 10 18.769 +03 03 37.26 V 568
2021-08-08 12:05:25 C 21 10 19.312 +03 03 36.42 V 568
2021-08-08 12:06:50 C 21 10 19.852 +03 03 35.56 V 568
2021-08-09 07:48:04 C 21 18 33.513 +02 51 32.07 V F51
2021-08-09 08:14:53 C 21 18 43.630 +02 51 16.04 V F51
2021-08-15 05:47:37 C 22 09 29.94 +01 16 45.7 u H21
2021-08-15 05:58:05 C 22 09 32.95 +01 16 38.6 u H21
2021-08-15 06:11:07 C 22 09 36.65 +01 16 29.8 u H21
2021-09-05 02:25:11 C 23 37 37.98 -03 11 26.0 W84
2021-09-05 02:40:04 C 23 37 39.02 -03 11 31.7 W84
2021-09-05 03:09:48 C 23 37 41.07 -03 11 43.4 W84
2021-09-05 03:24:40 C 23 37 42.07 -03 11 49.4 W84
2021-09-05 03:32:07 C 23 37 42.57 -03 11 52.3 W84
2021-09-05 03:34:34 C 23 37 42.74 -03 11 53.1 W84
2021-09-05 03:56:50 C 23 37 44.21 -03 12 01.8 W84
2021-09-05 04:09:14 C 23 37 45.05 -03 12 06.7 W84
2021-09-05 04:31:35 C 23 37 46.49 -03 12 15.5 W84
2021-09-05 04:39:02 C 23 37 47.00 -03 12 18.5 W84
2021-09-05 04:41:31 C 23 37 47.14 -03 12 19.2 W84