1998 QA98

1998QA98, 1997 MP5, 1997MP5, 27027, J97M05P, J98Q98A

All data for this body: [vot]

MPC data
Name (number) 1998 QA98 (27027)
a 2.44991
e 0.16414
i / sin(i) 6.5842 / 0.11466
q 2.04780
Q 2.85203
ω 189.2213
Node 310.7165
m 219.1220
n 0.2570
Epoch 2460800.5
nobs 3189
nopp 22
Years observed 1997-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.450
ep 0.202
sin(ip) 0.125
G 0.150
H 13.740
Mass
D 7.44 3.240
pV 0.139 0.0510
Value
Rotational Period 18.000
Period quality 3
Spectral Class S
Spectral Class Score 8.714
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4498 0.2018 0.1253 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.44 3.240 3.240 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.139 0.0510 0.0510 Masiero 2012ApJ...759L...8M 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
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.01 3 Synodic Behrend LCDB Lightcurve
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 0.87 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8290 0.8290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT