IAA RAS IAA Minor Planet Database

2021 KW1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2540500000
Semi-major axis (a)1.1365822000 AU
Inclination (i)20.10162000°
Long. of Asc. Node (Ω)233.52829000°
Arg. of Perihelion (ω)258.02485000°
Mean Anomaly (M)335.15832000°
Mean Motion (n)0.8133974100°/day
Perihelion dist (q)0.84783350 AU
Aphelion dist (Q)1.42533090 AU
Orbital Period1.21171720 yr
Physical Parameters
H (abs. magnitude)24.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.640″
Uncertainty8
Orbit TypeApollo
MOID0.016606 AU
Observations Used19
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-05-22
Observations (19)
Date Type RA Dec Mag Band Observatory
2021-05-19 07:30:40 C 14 49 37.14 -06 51 11.3 – V V00
2021-05-19 07:37:44 C 14 49 37.13 -06 50 34.9 – V V00
2021-05-19 07:44:45 C 14 49 37.11 -06 49 59.2 – V V00
2021-05-19 07:51:47 C 14 49 37.14 -06 49 23.0 – V V00
2021-05-19 09:01:24 C 14 49 37.21 -06 43 25.7 – o 291
2021-05-19 09:06:26 C 14 49 37.23 -06 43 00.2 – o 291
2021-05-19 09:11:30 C 14 49 37.24 -06 42 34.1 – o 291
2021-05-20 09:06:21 C 14 49 59.31 -04 45 48.9 – V V00
2021-05-20 09:07:23 C 14 49 59.31 -04 45 43.7 – V V00
2021-05-20 09:08:24 C 14 49 59.31 -04 45 39.1 – V V00
2021-05-20 09:09:26 C 14 49 59.32 -04 45 34.3 – V V00
2021-05-22 03:39:59 C 14 50 43.51 -01 42 01.2 – V 291
2021-05-22 04:00:25 C 14 50 43.62 -01 40 39.4 – V 291
2021-05-22 04:19:39 C 14 50 41.35 -01 38 23.1 – V 807
2021-05-22 04:20:58 C 14 50 43.64 -01 39 18.2 – V 291
2021-05-22 04:28:03 C 14 50 41.36 -01 37 49.7 – V 807
2021-05-22 04:36:05 C 14 50 41.39 -01 37 17.8 – V 807
2021-05-22 06:03:45 C 14 50 43.60 -01 32 32.5 – V H01
2021-05-22 06:10:26 C 14 50 43.62 -01 32 06.0 – V H01