2003 TK21

2003TK21, K03T21K, M3452

All data for this body: [vot]

MPC data
Name (number) 2003 TK21 (223452)
a 3.20461
e 0.22348
i / sin(i) 16.8580 / 0.29000
q 2.48843
Q 3.92078
ω 281.0643
Node 180.4509
m 213.7817
n 0.1718
Epoch 2460800.5
nobs 592
nopp 17
Years observed 1991-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.208
ep 0.200
sin(ip) 0.304
G 0.150
H 15.330
Mass
D 7.70 0.033
pV 0.028 0.0019
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 7.826
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1323 Tugela -1 Tugela -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2077 0.2000 0.3040 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.63 2.879 2.879 Masiero 2017AJ....154..168M NEATM
7.70 0.033 0.033 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.021 0.0157 0.0157 Masiero 2017AJ....154..168M NEATM
0.028 0.0019 0.0019 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
15.33 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.971 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X 0.25 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.0832 0.3400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3815 0.3400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT