4209 T-2

4209T-2, 18257, 1998 EP14, 1998EP14, J98E14P, T2S4209

All data for this body: [vot]

MPC data
Name (number) 4209 T-2 (18257)
a 3.08466
e 0.11254
i / sin(i) 5.8250 / 0.10149
q 2.73750
Q 3.43182
ω 187.2458
Node 42.4475
m 312.7678
n 0.1819
Epoch 2460800.5
nobs 1895
nopp 25
Years observed 1973-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.086
ep 0.144
sin(ip) 0.090
G 0.150
H 14.280
Mass
D 6.89 0.149
pV 0.093 0.0119
Value
Rotational Period
Period quality None
Spectral Class Bk
Spectral Class Score 1.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0862 0.1444 0.0898 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.89 0.149 0.149 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.093 0.0119 0.0119 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
14.28 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
Bk Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT