2002 CH239

2002CH239, 1999 TQ274, 1999TQ274, 99494, J99TR4Q, K02CN9H

All data for this body: [vot]

MPC data
Name (number) 2002 CH239 (99494)
a 2.56507
e 0.14991
i / sin(i) 2.9145 / 0.05085
q 2.18054
Q 2.94960
ω 98.2552
Node 215.4767
m 95.5306
n 0.2399
Epoch 2460800.5
nobs 1111
nopp 18
Years observed 1999-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.565
ep 0.130
sin(ip) 0.062
G 0.150
H 15.860
Mass
D 4.23 0.191
pV 0.075 0.0120
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5649 0.1295 0.0624 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.23 0.191 0.191 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.075 0.0120 0.0120 Masiero 2011ApJ...741...68M NEATM
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
15.86 MPC-2023-12-04 MPC-2023-12-04 Phot