1997 WC22

1997WC22, 2002 PH118, 2002PH118, J0316, J97W22C, K02PB8H

All data for this body: [vot]

MPC data
Name (number) 1997 WC22 (190316)
a 3.10663
e 0.31096
i / sin(i) 8.2588 / 0.14364
q 2.14060
Q 4.07267
ω 128.4935
Node 278.6466
m 358.2975
n 0.1800
Epoch 2460800.5
nobs 1323
nopp 14
Years observed 1997-2024
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.107
ep 0.267
sin(ip) 0.173
G 0.150
H 15.140
Mass
D 6.03 0.434
pV 0.053 0.0099
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 2.929
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1065 0.2669 0.1727 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.83 1.410 1.410 Masiero 2021PSJ.....2..162M NEATM
5.98 0.474 0.474 Masiero 2011ApJ...741...68M NEATM
6.89 1.680 1.680 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.037 0.0150 0.0250 Masiero 2021PSJ.....2..162M NEATM
0.051 0.0220 0.0380 Masiero 2021PSJ.....2..162M NEATM
0.059 0.0123 0.0123 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
15.14 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
X X 0.4882 0.4882 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT