2005 ET221

2005ET221, 1999 CY134, 1999CY134, J99CD4Y, K05EM1T, N1029

All data for this body: [vot]

MPC data
Name (number) 2005 ET221 (231029)
a 3.17638
e 0.23062
i / sin(i) 23.6127 / 0.40055
q 2.44385
Q 3.90892
ω 91.6558
Node 324.9583
m 183.0972
n 0.1741
Epoch 2460200.5
nobs 534
nopp 12
Years observed 1999-2022
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Euphrosyne (31)
 
ap 3.173
ep 0.179
sin(ip) 0.430
Value Standard error
G 0.150
H 15.120
Mass
D 5.76 0.123
pV 0.064 0.0097
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
31 Euphrosyne 901 Euphrosyne Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1729 0.1793 0.4298 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.76 0.123 0.123 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.064 0.0097 0.0097 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
15.12 MPC-2023-12-04 MPC-2023-12-04 Phot