1997 GY7

1997GY7, 09237, 1977 UN4, 1977UN4, 1992 DT13, 1992DT13, J77U04N, J92D13T, J97G07Y

All data for this body: [vot]

MPC data
Name (number) 1997 GY7 (9237)
a 2.67733
e 0.12055
i / sin(i) 1.6102 / 0.02810
q 2.35456
Q 3.00009
ω 16.6028
Node 95.7341
m 233.7854
n 0.2250
Epoch 2460800.5
nobs 4034
nopp 24
Years observed 1977-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.679
ep 0.136
sin(ip) 0.009
G 0.150
H 14.100
Mass
D 4.56 0.126
pV 0.179 0.0098
Value
Rotational Period 4.070
Period quality 2
Spectral Class S
Spectral Class Score 10.857
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6785 0.1360 0.0088 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.53 0.201 0.201 Masiero 2011ApJ...741...68M NEATM
4.57 0.162 0.162 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.176 0.0240 0.0240 Masiero 2011ApJ...741...68M NEATM
0.179 0.0108 0.0108 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
14.10 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.072 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.09 2 Synodic Chang 2015ApJS..219...27C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.26 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.835 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.3811 0.4570 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5068 0.4570 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT