1994 GD9

1994GD9, 09075, 1989 YQ, 1989YQ, J89Y00Q, J94G09D

All data for this body: [vot]

MPC data
Name (number) 1994 GD9 (9075)
a 2.45135
e 0.31221
i / sin(i) 22.5553 / 0.38358
q 1.68602
Q 3.21668
ω 302.6715
Node 198.3969
m 79.4468
n 0.2568
Epoch 2460800.5
nobs 1968
nopp 24
Years observed 1988-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.449
ep 0.286
sin(ip) 0.403
G 0.150
H 14.830
Mass
D 2.99 0.646
pV 0.342 0.2605
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.931
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4488 0.2864 0.4030 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.99 0.646 0.646 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.342 0.2605 0.2605 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
14.83 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
D S 0.3198 0.3600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.1157 0.3600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4819 0.3600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5575 0.3600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1635 0.3600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT