1999 JT57

1999JT57, 35834, J99J57T

All data for this body: [vot]

MPC data
Name (number) 1999 JT57 (35834)
a 2.38002
e 0.05749
i / sin(i) 8.7170 / 0.15155
q 2.24319
Q 2.51685
ω 259.4502
Node 51.4453
m 320.7449
n 0.2684
Epoch 2460800.5
nobs 5791
nopp 20
Years observed 1998-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.380
ep 0.030
sin(ip) 0.140
G 0.150
H 13.890
Mass
D 6.77 0.119
pV 0.112 0.0097
Value
Rotational Period 2.004
Period quality 2
Spectral Class S
Spectral Class Score 3.316
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3799 0.0305 0.1402 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.39 0.220 0.220 Masiero 2012ApJ...759L...8M NEATM
6.93 0.141 0.141 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.109 0.0101 0.0101 Masiero 2011ApJ...741...68M NEATM
0.157 0.0360 0.0360 Masiero 2012ApJ...759L...8M 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
13.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.00402 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
LS 0.30 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.5526 0.5526 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT