1981 EU25

1981EU25, 1978 PD2, 1978PD2, 1997 QA5, 1997QA5, 27689, J78P02D, J81E25U, J97Q05A

All data for this body: [vot]

MPC data
Name (number) 1981 EU25 (27689)
a 2.44137
e 0.21429
i / sin(i) 4.9723 / 0.08667
q 1.91820
Q 2.96454
ω 125.8958
Node 171.0353
m 118.5213
n 0.2584
Epoch 2460800.5
nobs 2740
nopp 23
Years observed 1978-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.438
ep 0.197
sin(ip) 0.087
G 0.150
H 14.680
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 1.303
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4383 0.1974 0.0874 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
14.68 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 0.17 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.2172 0.2172 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT