1998 QU2

1998QU2, 19512, 1994 RB22, 1994RB22, J94R22B, J98Q02U

All data for this body: [vot]

MPC data
Name (number) 1998 QU2 (19512)
a 2.56581
e 0.20930
i / sin(i) 15.5754 / 0.26851
q 2.02879
Q 3.10282
ω 203.8970
Node 162.4167
m 149.7968
n 0.2398
Epoch 2460800.5
nobs 3466
nopp 25
Years observed 1982-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.567
ep 0.171
sin(ip) 0.253
G 0.150
H 13.700
Mass
D 4.09 0.268
pV 0.307 0.0830
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 4.336
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5666 0.1711 0.2525 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.96 0.282 0.282 Masiero 2011ApJ...741...68M NEATM
5.31 0.870 0.870 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.260 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.410 0.1488 0.1488 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
13.70 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
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
K K 0.3893 0.3893 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.74 Bus VIS Carvano 2010A&A...510A..43C PHOT