2000 QS138

2000QS138, 1998 DJ21, 1998DJ21, 36601, J98D21J, K00QD8S

All data for this body: [vot]

MPC data
Name (number) 2000 QS138 (36601)
a 2.47764
e 0.14571
i / sin(i) 1.8952 / 0.03307
q 2.11662
Q 2.83866
ω 57.3227
Node 7.7492
m 61.8450
n 0.2527
Epoch 2460800.5
nobs 1731
nopp 18
Years observed 1996-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.478
ep 0.143
sin(ip) 0.035
G 0.150
H 15.260
Mass
D 4.58 0.855
pV 0.073 0.0282
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 7.220
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4782 0.1432 0.0353 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.23 1.450 1.450 Masiero 2020PSJ.....1....5M NEATM
4.56 1.470 1.470 Masiero 2021PSJ.....2..162M NEATM
4.99 1.527 1.527 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.065 0.0355 0.0355 Masiero 2017AJ....154..168M NEATM
0.082 0.0390 0.0750 Masiero 2021PSJ.....2..162M NEATM
0.099 0.0790 0.0790 Masiero 2020PSJ.....1....5M 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
15.26 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
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B B 0.8700 0.8700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT