Donaldeng

18775, 1999 JD39, 1999JD39, J99J39D

All data for this body: [vot]

MPC data
Name (number) Donaldeng (18775)
a 2.34164
e 0.09579
i / sin(i) 3.0590 / 0.05337
q 2.11733
Q 2.56594
ω 24.1422
Node 287.6764
m 18.6115
n 0.2751
Epoch 2460800.5
nobs 2688
nopp 21
Years observed 1996-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.342
ep 0.062
sin(ip) 0.062
G 0.150
H 14.820
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S-complex
Spectral Class Score 15.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3419 0.0625 0.0617 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.82 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
S-complex Bus-DeMeo VIS Oszkiewicz 2014A&A...572A..29O SPEC
S 0.38 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.772 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S 0.6069 0.6069 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT