1999 TJ9

1999TJ9, 38457, J99T09J

All data for this body: [vot]

MPC data
Name (number) 1999 TJ9 (38457)
a 3.16921
e 0.01322
i / sin(i) 11.2804 / 0.19561
q 3.12730
Q 3.21112
ω 306.1796
Node 209.2217
m 64.5602
n 0.1747
Epoch 2460800.5
nobs 4365
nopp 23
Years observed 1998-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.167
ep 0.044
sin(ip) 0.204
G 0.150
H 12.800
Mass
D 14.27 0.217
pV 0.087 0.0271
Value
Rotational Period 3.900
Period quality 2
Spectral Class D
Spectral Class Score 16.347
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1675 0.0444 0.2040 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.27 0.217 0.217 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.087 0.0271 0.0271 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
12.80 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.95 2 Synodic Chang 2019ApJS..241....6C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D 0.79 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.2319 0.6460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.6806 0.6460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.7272 0.6460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.8215 0.6460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT