1981 DJ3

1981DJ3, C9441, J81D03J

All data for this body: [vot]

MPC data
Name (number) 1981 DJ3 (129441)
a 2.81210
e 0.17956
i / sin(i) 6.8568 / 0.11939
q 2.30715
Q 3.31704
ω 176.5227
Node 284.6255
m 193.1558
n 0.2090
Epoch 2460800.5
nobs 881
nopp 19
Years observed 1981-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap
ep
sin(ip)
G 0.150
H 15.600
Mass
D 4.82 1.490
pV 0.048 0.0720
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 1.236
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.82 1.490 1.490 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0720 0.0720 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
15.60 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
C 0.23 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.2060 0.2060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT