1999 TK221

1999TK221, 2006 EM39, 2006EM39, J99TM1K, K06E39M, X3289

All data for this body: [vot]

MPC data
Name (number) 1999 TK221 (333289)
a 2.68960
e 0.19194
i / sin(i) 13.7063 / 0.23695
q 2.17335
Q 3.20585
ω 174.2326
Node 179.7008
m 304.6146
n 0.2234
Epoch 2460800.5
nobs 544
nopp 16
Years observed 1999-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.689
ep 0.163
sin(ip) 0.228
G 0.150
H 16.430
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.748
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.1300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6891 0.1633 0.2277 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
16.43 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
S 0.958 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT