Eugenybiryukov

19499, 1998 KR42, 1998KR42, 3103 T-3, 3103T-3, J98K42R, T3S3103

All data for this body: [vot]

MPC data
Name (number) Eugenybiryukov (19499)
a 2.72507
e 0.09927
i / sin(i) 12.9710 / 0.22446
q 2.45455
Q 2.99560
ω 352.6300
Node 189.7287
m 47.8892
n 0.2191
Epoch 2460800.5
nobs 3352
nopp 23
Years observed 1977-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.725
ep 0.142
sin(ip) 0.224
G 0.150
H 14.300
Mass
D 4.52 0.351
pV 0.238 0.0615
Value
Rotational Period 5.027
Period quality 2
Spectral Class L
Spectral Class Score 2.649
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7254 0.1424 0.2238 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.52 0.351 0.351 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.238 0.0615 0.0615 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
14.30 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.02652 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
L L 0.4415 0.4415 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT