1999 TB121

1999TB121, 2000 YF1, 2000YF1, 40872, J99TC1B, K00Y01F

All data for this body: [vot]

MPC data
Name (number) 1999 TB121 (40872)
a 3.13649
e 0.10887
i / sin(i) 1.3867 / 0.02420
q 2.79504
Q 3.47795
ω 322.7616
Node 166.7177
m 114.6867
n 0.1774
Epoch 2460800.5
nobs 1975
nopp 23
Years observed 1960-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.132
ep 0.134
sin(ip) 0.026
G 0.150
H 14.310
Mass
D 8.06 0.207
pV 0.068 0.0077
Value
Rotational Period 1.000
Period quality
Spectral Class C
Spectral Class Score 13.248
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1319 0.1336 0.0263 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.06 0.207 0.207 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0077 0.0077 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
14.31 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
1.0 Synodic Erasmus 2018ApJS..237...19E Lightcurve
1.0 Synodic Erasmus 2019ApJS..242...15E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.702 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C X 0.752000 0.247000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT
C X 0.754000 0.245000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT