2021 PE9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3976225000
Semi-major axis (a)0.9508503000 AU
Inclination (i)22.24972000°
Long. of Asc. Node (Ω)281.60860000°
Arg. of Perihelion (ω)244.16806000°
Mean Anomaly (M)324.02560000°
Mean Motion (n)1.0630063800°/day
Perihelion dist (q)0.57277080 AU
Aphelion dist (Q)1.32892980 AU
Orbital Period0.92718890 yr
Physical Parameters
H (abs. magnitude)22.06
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.570″
Uncertainty9
Orbit TypeAten
MOID0.033321 AU
Observations Used16
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-08-31
Observations (16)
Date Type RA Dec Mag Band Observatory
2021-08-08 07:38:09 C 16 27 34.920 +09 44 20.09 U F51
2021-08-08 07:56:09 C 16 27 37.737 +09 44 18.39 U F51
2021-08-08 08:14:18 C 16 27 40.590 +09 44 16.44 U F51
2021-08-10 00:12:02 C 16 33 58.43 +09 40 36.8 V 807
2021-08-10 00:18:08 C 16 33 59.31 +09 40 36.4 V 807
2021-08-10 00:23:59 C 16 34 00.15 +09 40 35.8 V 807
2021-08-10 07:01:05 C 16 34 59.620 +09 39 28.90 V 568
2021-08-10 07:03:55 C 16 35 00.006 +09 39 28.58 V 568
2021-08-10 07:05:20 C 16 35 00.210 +09 39 28.43 V 568
2021-08-13 08:08:27 C 16 45 20.136 +09 29 54.33 V T12
2021-08-13 08:10:23 C 16 45 20.389 +09 29 54.01 V T12
2021-08-13 08:11:47 C 16 45 20.565 +09 29 53.83 V T12
2021-08-31 06:01:45 C 17 31 25.360 +08 08 53.59 V F52
2021-08-31 06:14:43 C 17 31 26.514 +08 08 51.04 V F52
2021-08-31 06:27:46 C 17 31 27.626 +08 08 47.93 V F52
2021-08-31 06:40:49 C 17 31 28.753 +08 08 45.36 V F52