1999 TD118

1999TD118, 1998 HV37, 1998HV37, 40867, J98H37V, J99TB8D

All data for this body: [vot]

MPC data
Name (number) 1999 TD118 (40867)
a 2.56680
e 0.23320
i / sin(i) 5.4687 / 0.09530
q 1.96822
Q 3.16538
ω 347.6183
Node 338.5323
m 111.0183
n 0.2397
Epoch 2460800.5
nobs 1813
nopp 21
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.565
ep 0.220
sin(ip) 0.100
G 0.150
H 14.780
Mass
D 3.40 0.705
pV 0.265 0.1454
Value
Rotational Period 3.700
Period quality
Spectral Class S
Spectral Class Score 4.404
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5647 0.2198 0.1003 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.40 0.705 0.705 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.265 0.1454 0.1454 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
14.78 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.72 Synodic Erasmus 2019ApJS..242...15E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S C 0.734000 0.164000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT