2021 PN4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4177191000
Semi-major axis (a)2.0698054000 AU
Inclination (i)4.45722000°
Long. of Asc. Node (Ω)99.11428000°
Arg. of Perihelion (ω)191.67346000°
Mean Anomaly (M)166.86248000°
Mean Motion (n)0.3309861300°/day
Perihelion dist (q)1.20520820 AU
Aphelion dist (Q)2.93440260 AU
Orbital Period2.97779140 yr
Physical Parameters
H (abs. magnitude)23.95
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.840″
Uncertainty8
Orbit TypeAmor
MOID0.187832 AU
Observations Used14
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-08-10
Observations (14)
Date Type RA Dec Mag Band Observatory
2021-08-04 08:15:07 C 20 02 22.516 -33 21 18.75 U F51
2021-08-04 08:29:11 C 20 02 23.894 -33 21 21.99 U F51
2021-08-04 08:43:16 C 20 02 25.241 -33 21 25.92 U F51
2021-08-04 08:57:21 C 20 02 26.629 -33 21 29.31 U F51
2021-08-05 07:56:50 C 20 04 59.651 -33 26 20.51 V F51
2021-08-05 08:09:14 C 20 05 00.872 -33 26 23.44 V F51
2021-08-05 08:21:42 C 20 05 02.083 -33 26 25.73 V F51
2021-08-05 08:34:08 C 20 05 03.303 -33 26 28.65 V F51
2021-08-09 11:37:33 C 20 15 44.01 -33 38 08.8 V 474
2021-08-09 11:47:42 C 20 15 44.97 -33 38 09.5 V 474
2021-08-09 11:57:50 C 20 15 45.93 -33 38 09.2 V 474
2021-08-10 08:19:13 C 20 17 55.589 -33 39 36.90 U F51
2021-08-10 08:41:26 C 20 17 57.666 -33 39 37.98 U F51
2021-08-10 09:03:52 C 20 17 59.739 -33 39 39.03 U F51