1998 QJ48

1998QJ48, 1999 XU55, 1999XU55, 40131, J98Q48J, J99X55U

All data for this body: [vot]

MPC data
Name (number) 1998 QJ48 (40131)
a 2.99477
e 0.05988
i / sin(i) 3.5331 / 0.06163
q 2.81544
Q 3.17410
ω 328.7944
Node 265.2297
m 160.3364
n 0.1902
Epoch 2460800.5
nobs 2546
nopp 24
Years observed 1995-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.997
ep 0.088
sin(ip) 0.082
G 0.150
H 13.690
Mass
D 9.11 0.143
pV 0.093 0.0172
Value
Rotational Period 6.794
Period quality 2
Spectral Class D
Spectral Class Score 28.377
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9967 0.0876 0.0821 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.11 0.143 0.143 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.093 0.0172 0.0172 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
13.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.79377 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Bus-DeMeo VIS Humes 2024PSJ.....5...80H SPEC
D DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
D 0.30 Bus VIS Carvano 2010A&A...510A..43C PHOT
D 0.541 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
D D 0.1855 0.4620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.4419 0.4620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.6277 0.4620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT