1997 GY2

1997GY2, 1999 XQ146, 1999XQ146, 69521, J97G02Y, J99XE6Q

All data for this body: [vot]

MPC data
Name (number) 1997 GY2 (69521)
a 2.76566
e 0.14525
i / sin(i) 1.0159 / 0.01773
q 2.36395
Q 3.16737
ω 186.7877
Node 141.9719
m 267.0575
n 0.2143
Epoch 2460800.5
nobs 653
nopp 20
Years observed 1994-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.766
ep 0.116
sin(ip) 0.014
G 0.150
H 16.070
Mass
D
pV
Value
Rotational Period 5.000
Period quality
Spectral Class S
Spectral Class Score 5.646
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7659 0.1164 0.0144 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.4 Synodic Erasmus 2019ApJS..242...15E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Ad Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.941 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V 0.1774 0.1774 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.511000 0.345000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT