1997 WO54

1997WO54, 1996 FA18, 1996FA18, 2001 XD209, 2001XD209, 55890, J96F18A, J97W54O, K01XK9D

All data for this body: [vot]

MPC data
Name (number) 1997 WO54 (55890)
a 2.40637
e 0.23806
i / sin(i) 6.2457 / 0.10879
q 1.83352
Q 2.97921
ω 83.1892
Node 219.6213
m 212.8130
n 0.2640
Epoch 2460800.5
nobs 1667
nopp 22
Years observed 1993-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.408
ep 0.206
sin(ip) 0.127
G 0.150
H 15.160
Mass
D 4.62 0.088
pV 0.058 0.0075
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.346
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4076 0.2063 0.1268 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.68 0.940 0.940 Masiero 2021PSJ.....2..162M NEATM
3.75 0.990 0.990 Masiero 2021PSJ.....2..162M NEATM
4.60 0.090 0.090 Nugent 2016AJ....152...63N NEATM
5.87 0.515 0.515 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0118 0.0118 Masiero 2011ApJ...741...68M NEATM
0.070 0.0100 0.0100 Nugent 2016AJ....152...63N NEATM
0.126 0.0520 0.0880 Masiero 2021PSJ.....2..162M NEATM
0.131 0.0570 0.1000 Masiero 2021PSJ.....2..162M 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
15.16 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
B B 0.6972 0.6430 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.560 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C B 0.1643 0.6430 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT