2000 QE39

2000QE39, 1999 KN8, 1999KN8, 54534, J99K08N, K00Q39E

All data for this body: [vot]

MPC data
Name (number) 2000 QE39 (54534)
a 3.09994
e 0.13104
i / sin(i) 3.8941 / 0.06791
q 2.69374
Q 3.50614
ω 348.3600
Node 298.4337
m 214.3155
n 0.1806
Epoch 2460800.5
nobs 1487
nopp 20
Years observed 1999-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.101
ep 0.133
sin(ip) 0.086
G 0.150
H 14.530
Mass
D 7.20 0.083
pV 0.071 0.0102
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 3.636
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1014 0.1333 0.0864 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.20 0.083 0.083 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.0102 0.0102 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
14.53 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 0.606 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT