Tchantches

04440, 1984 YV, 1984YV, J84Y00V

All data for this body: [vot]

MPC data
Name (number) Tchantches (4440)
a 1.92095
e 0.07696
i / sin(i) 21.3511 / 0.36408
q 1.77311
Q 2.06878
ω 224.9503
Node 283.2864
m 16.9427
n 0.3702
Epoch 2460800.5
nobs 3745
nopp 24
Years observed 1984-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.921
ep 0.082
sin(ip) 0.407
G 0.150
H 13.860
Mass
D 2.09 0.586
pV 1.000 0.0632
Value
Rotational Period 2.788
Period quality 3
Spectral Class X
Spectral Class Score 5.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9211 0.0824 0.4075 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.09 0.586 0.586 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.000 0.0632 0.0632 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
13.86 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.783 3- Synodic Warner 2011MPBu...38...25W Lightcurve
2.788 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
2.788 3 Synodic Warner 2014MPBu...41..144W Lightcurve
2.7883 3 Synodic Warner 2006MPBu...33...34W Lightcurve
2.7883 3 Synodic Warner 2009MPBu...36...90W Lightcurve
2.78836 3 Synodic Warner 2013MPBu...40..119W Lightcurve
2.7884 Synodic Warner 2014MPBu...41..102W Lightcurve
2.7886 3 Synodic Warner 2014MPBu...41..102W Lightcurve
2.789 2 Synodic Behrend LCDB Lightcurve
2.79 3 Synodic Warner 2011MPBu...38...25W Lightcurve
6.83 0 Synodic Warner 2003MPBu...30...33W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.508 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
K M 0.530000 0.360000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
K X DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
X Tholen VIS Xu 1995Icar..115....1X SPEC