1999 GD39

1999GD39, 1961 CZ, 1961CZ, 29894, J61C00Z, J99G39D

All data for this body: [vot]

MPC data
Name (number) 1999 GD39 (29894)
a 3.05581
e 0.08048
i / sin(i) 8.8792 / 0.15435
q 2.80989
Q 3.30174
ω 346.2828
Node 126.1714
m 25.3576
n 0.1845
Epoch 2460800.5
nobs 3008
nopp 23
Years observed 1961-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.056
ep 0.099
sin(ip) 0.135
G 0.150
H 13.680
Mass
D 6.77 0.122
pV 0.179 0.0209
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 2.252
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0562 0.0988 0.1354 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.58 0.174 0.174 Masiero 2011ApJ...741...68M NEATM
6.96 0.170 0.170 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.175 0.0239 0.0239 Masiero 2011ApJ...741...68M NEATM
0.195 0.0432 0.0432 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
13.68 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K K 0.3754 0.3754 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT