1998 QB7

1998QB7, 2000 AL73, 2000AL73, 40107, J98Q07B, K00A73L

All data for this body: [vot]

MPC data
Name (number) 1998 QB7 (40107)
a 2.84507
e 0.15916
i / sin(i) 11.7823 / 0.20419
q 2.39224
Q 3.29789
ω 257.5530
Node 110.8379
m 158.3106
n 0.2054
Epoch 2460800.5
nobs 2356
nopp 20
Years observed 1998-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.848
ep 0.112
sin(ip) 0.189
G 0.150
H 14.270
Mass
D 3.89 0.505
pV 0.321 0.0853
Value
Rotational Period 18.690
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8475 0.1119 0.1887 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.89 0.505 0.505 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.321 0.0853 0.0853 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
14.27 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.691 2 Synodic Pal 2020ApJS..247...26P Lightcurve
18.7156 2 Sidereal Durech 2023A&A...675A..24D Model