1997 WQ54

1997WQ54, 1999 FD41, 1999FD41, 48826, J97W54Q, J99F41D

All data for this body: [vot]

MPC data
Name (number) 1997 WQ54 (48826)
a 3.13254
e 0.15168
i / sin(i) 2.7139 / 0.04735
q 2.65740
Q 3.60769
ω 332.3068
Node 121.2064
m 309.9657
n 0.1778
Epoch 2460800.5
nobs 1718
nopp 22
Years observed 1996-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.140
ep 0.143
sin(ip) 0.029
G 0.150
H 14.250
Mass
D 8.12 0.123
pV 0.054 0.0083
Value
Rotational Period
Period quality None
Spectral Class Ds
Spectral Class Score 1.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.0400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1405 0.1427 0.0287 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.65 3.360 3.360 Masiero 2021PSJ.....2..162M NEATM
8.12 0.123 0.123 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0180 0.0340 Masiero 2021PSJ.....2..162M NEATM
0.056 0.0087 0.0087 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
14.25 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
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT