1999 TK261

1999TK261, 40970, J99TQ1K

All data for this body: [vot]

MPC data
Name (number) 1999 TK261 (40970)
a 2.57708
e 0.08179
i / sin(i) 28.9274 / 0.48370
q 2.36630
Q 2.78786
ω 209.2197
Node 63.1131
m 172.3678
n 0.2382
Epoch 2460800.5
nobs 2176
nopp 21
Years observed 1991-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.576
ep 0.165
sin(ip) 0.467
G 0.150
H 14.350
Mass
D 8.01 0.041
pV 0.049 0.0042
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5761 0.1652 0.4665 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.88 1.870 1.870 Masiero 2021PSJ.....2..162M NEATM
7.17 1.760 1.760 Nugent 2016AJ....152...63N NEATM
7.95 0.047 0.047 Masiero 2011ApJ...741...68M NEATM
8.04 2.550 2.550 Masiero 2020PSJ.....1....5M NEATM
8.23 0.088 0.088 Masiero 2011ApJ...741...68M NEATM
8.38 2.410 2.410 Masiero 2021PSJ.....2..162M NEATM
8.47 2.500 2.500 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.046 0.0049 0.0049 Masiero 2011ApJ...741...68M NEATM
0.052 0.0280 0.0580 Masiero 2021PSJ.....2..162M NEATM
0.057 0.0420 0.0420 Masiero 2020PSJ.....1....5M NEATM
0.058 0.0093 0.0093 Masiero 2011ApJ...741...68M NEATM
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.078 0.0340 0.0600 Masiero 2021PSJ.....2..162M 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
14.35 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 C None None Movis NIR Popescu 2018A&A...617A..12P PHOT