1998 SG54

1998SG54, A1217, J98S54G

All data for this body: [vot]

MPC data
Name (number) 1998 SG54 (101217)
a 2.55624
e 0.15759
i / sin(i) 12.3326 / 0.21359
q 2.15341
Q 2.95907
ω 304.4505
Node 356.5863
m 228.1677
n 0.2412
Epoch 2460800.5
nobs 797
nopp 19
Years observed 1998-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.557
ep 0.132
sin(ip) 0.218
G 0.150
H 15.670
Mass
D 1.92 0.463
pV 0.365 0.1984
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 2.244
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5570 0.1318 0.2181 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.92 0.463 0.463 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.365 0.1984 0.1984 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
15.67 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
S 0.197 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V 0.3740 0.3670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT