1999 LY20

1999LY20, 2000 TF20, 2000TF20, 96724, J99L20Y, K00T20F

All data for this body: [vot]

MPC data
Name (number) 1999 LY20 (96724)
a 2.39976
e 0.12393
i / sin(i) 10.2066 / 0.17720
q 2.10235
Q 2.69717
ω 121.1285
Node 78.6329
m 32.6847
n 0.2651
Epoch 2460800.5
nobs 2431
nopp 19
Years observed 1999-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.399
ep 0.162
sin(ip) 0.164
G 0.150
H 14.910
Mass
D 3.04 0.087
pV 0.247 0.0305
Value
Rotational Period 18.704
Period quality 2
Spectral Class S
Spectral Class Score 6.196
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3991 0.1623 0.1641 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.79 0.170 0.170 Masiero 2012ApJ...759L...8M NEATM
3.13 0.101 0.101 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.238 0.0330 0.0330 Masiero 2011ApJ...741...68M NEATM
0.299 0.0800 0.0800 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
14.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.7047 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
S S 0.0755 0.9500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9571 0.9500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT