1997 GD20

1997GD20, 09118, 1967 RJ, 1967RJ, 1978 WO14, 1978WO14, 1978 WO19, 1978WO19, 1988 PW4, 1988PW4, 1992 GV2, 1992GV2, 1994 YR4, 1994YR4, J67R00J, J78W14O, J78W19O, J88P04W, J92G02V, J94Y04R, J97G20D

All data for this body: [vot]

MPC data
Name (number) 1997 GD20 (9118)
a 3.03313
e 0.27184
i / sin(i) 1.0022 / 0.01749
q 2.20860
Q 3.85766
ω 263.8370
Node 96.6637
m 327.2040
n 0.1866
Epoch 2460800.5
nobs 3392
nopp 29
Years observed 1967-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.028
ep 0.241
sin(ip) 0.007
G 0.150
H 13.330
Mass
D 7.78 2.310
pV 0.130 0.0800
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.698
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0284 0.2411 0.0066 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.78 2.310 2.310 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.130 0.0800 0.0800 Nugent 2016AJ....152...63N 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
13.33 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
C 0.783 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT