Tyjorgenson

18786, 1999 JS53, 1999JS53, J99J53S

All data for this body: [vot]

MPC data
Name (number) Tyjorgenson (18786)
a 2.51692
e 0.13345
i / sin(i) 4.7492 / 0.08279
q 2.18103
Q 2.85281
ω 270.8906
Node 193.9439
m 299.3207
n 0.2468
Epoch 2460800.5
nobs 2591
nopp 23
Years observed 1991-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.519
ep 0.151
sin(ip) 0.092
G 0.150
H 14.230
Mass
D 3.71 0.065
pV 0.293 0.0333
Value
Rotational Period 9.443
Period quality 2
Spectral Class S
Spectral Class Score 9.463
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5195 0.1506 0.0918 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.71 0.065 0.065 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.293 0.0333 0.0333 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
14.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.4438 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
LS 0.25 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.655 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.4222 0.4222 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT