2021 KN

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2284911000
Semi-major axis (a)1.3667332000 AU
Inclination (i)11.76276000°
Long. of Asc. Node (Ω)215.68314000°
Arg. of Perihelion (ω)358.28558000° ± 6.00e+00
Mean Anomaly (M)312.01517000°
Mean Motion (n)0.6168484213°/day
Perihelion dist (q)1.05444680 AU
Aphelion dist (Q)1.67901960 AU
Orbital Period1.59781180 yr
Physical Parameters
H (abs. magnitude)25.72
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual—″
Uncertainty
Orbit TypeAmor
MOID0.047848 AU
Observations Used13
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-05-19
Observations (13)
Date Type RA Dec Mag Band Observatory
2021-05-17 09:15:34 C 17 39 03.34 +29 32 24.0 V V00
2021-05-17 09:22:36 C 17 39 03.72 +29 32 37.9 V V00
2021-05-17 09:29:38 C 17 39 04.09 +29 32 50.8 V V00
2021-05-17 09:36:52 C 17 39 04.47 +29 33 05.0 V V00
2021-05-17 10:38:19 C 17 39 07.65 +29 35 02.4 V V00
2021-05-17 10:39:36 C 17 39 07.73 +29 35 05.0 V V00
2021-05-17 10:40:53 C 17 39 07.78 +29 35 07.5 V V00
2021-05-18 10:20:58 C 17 40 51.00 +30 18 52.7 o 291
2021-05-18 10:31:47 C 17 40 51.47 +30 19 11.4 o 291
2021-05-18 10:42:46 C 17 40 52.03 +30 19 30.5 o 291
2021-05-19 10:34:05 C 17 42 27.86 +30 59 49.7 o 291
2021-05-19 10:40:33 C 17 42 28.19 +30 59 59.6 o 291
2021-05-19 10:47:02 C 17 42 28.45 +31 00 09.5 o 291