1998 SN54

1998SN54, 1991 TO2, 1991TO2, 49156, J91T02O, J98S54N

All data for this body: [vot]

MPC data
Name (number) 1998 SN54 (49156)
a 2.32902
e 0.05069
i / sin(i) 6.7420 / 0.11740
q 2.21096
Q 2.44707
ω 216.2747
Node 340.6640
m 336.5760
n 0.2773
Epoch 2460800.5
nobs 2865
nopp 19
Years observed 1991-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.329
ep 0.092
sin(ip) 0.119
G 0.150
H 14.370
Mass
D 3.93 0.365
pV 0.315 0.0741
Value
Rotational Period 10.558
Period quality 2
Spectral Class S
Spectral Class Score 1.752
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3293 0.0921 0.1194 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.93 0.365 0.365 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.315 0.0741 0.0741 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
14.37 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.5587 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.292 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT