1991 TF1

1991TF1, 15290, 1999 CU4, 1999CU4, J91T01F, J99C04U

All data for this body: [vot]

MPC data
Name (number) 1991 TF1 (15290)
a 3.17459
e 0.14111
i / sin(i) 17.6980 / 0.30400
q 2.72664
Q 3.62254
ω 275.4814
Node 170.4329
m 290.9253
n 0.1742
Epoch 2460800.5
nobs 3691
nopp 26
Years observed 1991-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.180
ep 0.116
sin(ip) 0.304
G 0.150
H 13.330
Mass
D 13.31 0.105
pV 0.068 0.0188
Value
Rotational Period 14.339
Period quality 2
Spectral Class C
Spectral Class Score 5.817
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1796 0.1163 0.3045 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.69 2.780 2.780 Nugent 2016AJ....152...63N NEATM
13.31 0.105 0.105 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.069 0.0203 0.0203 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
13.33 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
14.33958 2 Sidereal Durech 2018A&A...617A..57D Model
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
C C 0.8029 0.8029 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT