1999 TL21

1999TL21, 1996 DG5, 1996DG5, 38462, J96D05G, J99T21L

All data for this body: [vot]

MPC data
Name (number) 1999 TL21 (38462)
a 3.19999
e 0.10640
i / sin(i) 0.2760 / 0.00482
q 2.85952
Q 3.54045
ω 307.1375
Node 185.7958
m 51.0040
n 0.1722
Epoch 2460800.5
nobs 1423
nopp 22
Years observed 1994-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.186
ep 0.144
sin(ip) 0.022
G 0.150
H 14.530
Mass
D 8.86 0.528
pV 0.030 0.0094
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.254
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 0.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1858 0.1437 0.0222 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.86 0.528 0.528 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0094 0.0094 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
14.53 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 0.29 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.779 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT