1997 SG2

1997SG2, 1999 CC57, 1999CC57, 31126, J97S02G, J99C57C

All data for this body: [vot]

MPC data
Name (number) 1997 SG2 (31126)
a 2.22174
e 0.07535
i / sin(i) 7.5667 / 0.13168
q 2.05433
Q 2.38916
ω 14.2073
Node 337.9936
m 132.0176
n 0.2976
Epoch 2460800.5
nobs 3270
nopp 19
Years observed 1997-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.222
ep 0.033
sin(ip) 0.127
G 0.150
H 14.510
Mass
D 4.65 0.054
pV 0.135 0.0054
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2218 0.0325 0.1274 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.14 1.310 1.310 Masiero 2021PSJ.....2..162M NEATM
4.18 0.067 0.067 Masiero 2011ApJ...741...68M NEATM
4.61 1.150 1.150 Masiero 2020PSJ.....1....5M NEATM
5.50 0.090 0.090 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.122 0.0060 0.0060 Masiero 2012ApJ...759L...8M NEATM
0.144 0.1100 0.1100 Masiero 2020PSJ.....1....5M NEATM
0.164 0.0690 0.1200 Masiero 2021PSJ.....2..162M NEATM
0.185 0.0120 0.0120 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
14.51 MPC-2023-12-04 MPC-2023-12-04 Phot