1998 QH54

1998QH54, 2001 AK39, 2001AK39, 44264, J98Q54H, K01A39K

All data for this body: [vot]

MPC data
Name (number) 1998 QH54 (44264)
a 2.55457
e 0.15383
i / sin(i) 13.9329 / 0.24078
q 2.16160
Q 2.94753
ω 43.3687
Node 198.8792
m 292.0481
n 0.2414
Epoch 2460800.5
nobs 3090
nopp 21
Years observed 1998-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.558
ep 0.176
sin(ip) 0.243
G 0.150
H 14.300
Mass
D 3.64 0.196
pV 0.366 0.0765
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 38.267
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5575 0.1761 0.2426 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.64 0.196 0.196 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.366 0.0765 0.0765 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
14.30 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 0.96 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.8529 0.8680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8585 0.8680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8983 0.8680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9496 0.8680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9989 0.8680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9997 0.8680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT