Leonhardt

09903, 1976 UG6, 1976UG6, 1997 NA1, 1997NA1, J76U06G, J97N01A

All data for this body: [vot]

MPC data
Name (number) Leonhardt (9903)
a 3.08500
e 0.23539
i / sin(i) 1.6933 / 0.02955
q 2.35881
Q 3.81119
ω 139.7322
Node 195.8946
m 28.3181
n 0.1819
Epoch 2460800.5
nobs 1625
nopp 25
Years observed 1976-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.076
ep 0.219
sin(ip) 0.034
G 0.150
H 14.530
Mass
D 8.48 0.239
pV 0.043 0.0076
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.982
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0761 0.2186 0.0340 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.54 2.330 2.330 Masiero 2021PSJ.....2..162M NEATM
8.50 0.240 0.240 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0077 0.0077 Masiero 2011ApJ...741...68M NEATM
0.072 0.0330 0.0610 Masiero 2021PSJ.....2..162M 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 B 0.3125 0.2780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.997 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X B 0.0649 0.2780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT