2021 KY4

2021KY4, ~0nfZ, K21K04Y

All data for this body: [vot]

MPC data
Name (number) 2021 KY4 (810933)
a 2.87861
e 0.08289
i / sin(i) 17.5649 / 0.30179
q 2.64001
Q 3.11721
ω 42.8878
Node 189.8413
m 311.0545
n 0.2018
Epoch 2460800.5
nobs 48
nopp 9
Years observed 2006-2025
rms 0.36
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.881
ep 0.118
sin(ip) 0.302
G 0.150
H 17.650
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
37981 1998 HD130 -1 1998HD130 -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
63530 2001 PG20 -1 2001PG20 -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8807 0.1181 0.3016 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.65 MPC-2023-12-04 MPC-2023-12-04 Phot