1990 QH1

1990QH1, 07337, 1928 RM, 1928RM, 1981 AP3, 1981AP3, 1989 GK4, 1989GK4, J28R00M, J81A03P, J89G04K, J90Q01H

All data for this body: [vot]

MPC data
Name (number) 1990 QH1 (7337)
a 2.36650
e 0.08282
i / sin(i) 5.6563 / 0.09856
q 2.17050
Q 2.56250
ω 343.4093
Node 344.7093
m 199.6295
n 0.2707
Epoch 2460800.5
nobs 4187
nopp 25
Years observed 1954-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.367
ep 0.046
sin(ip) 0.100
G 0.150
H 13.740
Mass
D 4.73 0.194
pV 0.315 0.0620
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 15.142
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3672 0.0462 0.1004 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.73 0.194 0.194 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.315 0.0620 0.0620 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
13.74 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.942 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9183 0.4830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT