1998 SG30

1998SG30, 1977 ET2, 1977ET2, 1991 PL19, 1991PL19, 1997 EK53, 1997EK53, 28110, J77E02T, J91P19L, J97E53K, J98S30G

All data for this body: [vot]

MPC data
Name (number) 1998 SG30 (28110)
a 2.21638
e 0.10458
i / sin(i) 2.2866 / 0.03990
q 1.98459
Q 2.44817
ω 223.7054
Node 15.9942
m 323.4675
n 0.2987
Epoch 2460200.5
nobs 1262
nopp 20
Years observed 1977-2023
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.216
ep 0.122
sin(ip) 0.035
Value Standard error
G 0.150
H 16.060
Mass
D 3.85 0.096
pV 0.061 0.0066
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2165 0.1221 0.0349 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.39 1.070 1.070 Masiero 2020PSJ.....1....5M NEATM
3.50 0.740 0.740 Masiero 2021PSJ.....2..162M NEATM
3.86 0.097 0.097 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0068 0.0068 Masiero 2011ApJ...741...68M NEATM
0.061 0.0250 0.0440 Masiero 2021PSJ.....2..162M NEATM
0.067 0.0490 0.0490 Masiero 2020PSJ.....1....5M 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
16.06 MPC-2023-12-04 MPC-2023-12-04 Phot