1981 EY29

1981EY29, 2006 HW53, 2006HW53, G1990, J81E29Y, K06H53W

All data for this body: [vot]

MPC data
Name (number) 1981 EY29 (161990)
a 2.57472
e 0.20607
i / sin(i) 5.3443 / 0.09314
q 2.04415
Q 3.10530
ω 2.6608
Node 167.6249
m 251.0757
n 0.2386
Epoch 2460800.5
nobs 526
nopp 19
Years observed 1981-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.573
ep 0.238
sin(ip) 0.086
G 0.150
H 16.860
Mass
D 1.98 0.393
pV 0.103 0.0686
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5726 0.2382 0.0861 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.98 0.393 0.393 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.103 0.0686 0.0686 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
16.86 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 Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT