1998 YR

1998YR, 13812, 1980 PY4, 1980PY4, 1986 TM9, 1986TM9, J80P04Y, J86T09M, J98Y00R

All data for this body: [vot]

MPC data
Name (number) 1998 YR (13812)
a 3.05824
e 0.14732
i / sin(i) 10.5003 / 0.18224
q 2.60769
Q 3.50879
ω 351.5730
Node 277.1975
m 186.1404
n 0.1843
Epoch 2460800.5
nobs 5606
nopp 25
Years observed 1980-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.046
ep 0.170
sin(ip) 0.197
G 0.150
H 12.470
Mass
D 13.08 0.226
pV 0.136 0.0214
Value
Rotational Period 3.910
Period quality 2
Spectral Class S
Spectral Class Score 2.496
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0462 0.1703 0.1969 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.82 0.234 0.234 Masiero 2011ApJ...741...68M NEATM
16.68 0.910 0.910 Usui 2011PASJ...63.1117U NEATM
17.30 3.460 3.460 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.084 0.0340 0.0340 Ali-Lagoa 2018A&A...612A..85A NEATM
0.170 0.0275 0.0275 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
12.47 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.91195 2 Sidereal Durech 2023A&A...675A..24D Model
3.912 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.913 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.416 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT