1999 JT99

1999JT99, 1998 EX19, 1998EX19, 31759, J98E19X, J99J99T

All data for this body: [vot]

MPC data
Name (number) 1999 JT99 (31759)
a 2.66580
e 0.09231
i / sin(i) 15.6356 / 0.26952
q 2.41973
Q 2.91187
ω 248.0865
Node 153.5661
m 193.2412
n 0.2264
Epoch 2460800.5
nobs 3526
nopp 22
Years observed 1998-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.665
ep 0.072
sin(ip) 0.264
G 0.150
H 14.290
Mass
D
pV
Value
Rotational Period 41.240
Period quality 2
Spectral Class S
Spectral Class Score 22.057
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6653 0.0724 0.2635 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.29 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
22.0525 2 Synodic Pal 2020ApJS..247...26P Lightcurve
41.246 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.48 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.970 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.2554 0.9690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9624 0.9690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9950 0.9690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT