1999 CH20

1999CH20, 2000 JL20, 2000JL20, 29763, J99C20H, K00J20L

All data for this body: [vot]

MPC data
Name (number) 1999 CH20 (29763)
a 2.35520
e 0.22956
i / sin(i) 8.9413 / 0.15542
q 1.81455
Q 2.89585
ω 341.2400
Node 16.3753
m 202.6281
n 0.2727
Epoch 2460800.5
nobs 2423
nopp 22
Years observed 1990-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.356
ep 0.189
sin(ip) 0.146
G 0.150
H 14.520
Mass
D 6.77 0.076
pV 0.088 0.0162
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3563 0.1887 0.1463 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.32 1.250 1.250 Masiero 2021PSJ.....2..162M NEATM
6.12 1.723 1.723 Masiero 2017AJ....154..168M NEATM
6.78 0.076 0.076 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.085 0.0290 0.0450 Masiero 2021PSJ.....2..162M NEATM
0.088 0.0192 0.0192 Masiero 2011ApJ...741...68M NEATM
0.090 0.0526 0.0526 Masiero 2017AJ....154..168M 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
14.52 MPC-2023-12-04 MPC-2023-12-04 Phot