1981 EN47

1981EN47, 2000 DB108, 2000DB108, 27698, J81E47N, K00DA8B

All data for this body: [vot]

MPC data
Name (number) 1981 EN47 (27698)
a 2.18030
e 0.22672
i / sin(i) 7.0108 / 0.12206
q 1.68597
Q 2.67463
ω 304.5928
Node 0.0124
m 155.4195
n 0.3061
Epoch 2460800.5
nobs 1412
nopp 21
Years observed 1981-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.178
ep 0.150
sin(ip) 0.125
G 0.150
H 15.980
Mass
D 1.80 0.317
pV 0.312 0.1019
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 8.532
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1777 0.1502 0.1254 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.80 0.317 0.317 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.312 0.1019 0.1019 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
15.98 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
LS 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.1799 0.8490 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9088 0.8490 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT