1998 QW22

1998QW22, 1991 PP31, 1991PP31, 46844, J91P31P, J98Q22W

All data for this body: [vot]

MPC data
Name (number) 1998 QW22 (46844)
a 2.30022
e 0.09061
i / sin(i) 3.8645 / 0.06740
q 2.09180
Q 2.50864
ω 70.9652
Node 13.9737
m 128.7526
n 0.2825
Epoch 2460800.5
nobs 2806
nopp 20
Years observed 1991-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.300
ep 0.108
sin(ip) 0.060
G 0.150
H 14.710
Mass
D 2.68 0.056
pV 0.470 0.0688
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3002 0.1079 0.0604 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.68 0.056 0.056 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.470 0.0688 0.0688 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
14.71 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
C Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT