Tanaka

04387, 1975 BS, 1975BS, 1979 FX2, 1979FX2, 1981 UM10, 1981UM10, 1983 EO3, 1983EO3, 1988 RZ1, 1988RZ1, 4829 T-2, 4829T-2, J75B00S, J79F02X, J81U10M, J83E03O, J88R01Z, T2S4829

All data for this body: [vot]

MPC data
Name (number) Tanaka (4387)
a 2.43837
e 0.01199
i / sin(i) 4.2727 / 0.07450
q 2.40914
Q 2.46761
ω 19.5406
Node 120.7630
m 63.3371
n 0.2589
Epoch 2460800.5
nobs 5104
nopp 31
Years observed 1954-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.438
ep 0.046
sin(ip) 0.063
G 0.150
H 12.830
Mass
D 7.46 0.065
pV 0.249 0.0208
Value
Rotational Period 5.529
Period quality 3
Spectral Class S
Spectral Class Score 8.100
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4385 0.0463 0.0629 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.14 0.120 0.120 Masiero 2014ApJ...791..121M NEATM
7.38 0.184 0.184 Masiero 2011ApJ...741...68M NEATM
7.58 0.140 0.140 Masiero 2014ApJ...791..121M NEATM
7.66 0.106 0.106 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.229 0.0537 0.0537 Masiero 2011ApJ...741...68M NEATM
0.230 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM
0.247 0.0415 0.0415 Masiero 2011ApJ...741...68M NEATM
0.260 0.0300 0.0300 Masiero 2014ApJ...791..121M 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
12.83 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.5298 3 Synodic Pravec LCDB Lightcurve
5.62818 2 Sidereal Durech 2023A&A...675A..24D Model
5.628255 2 Sidereal Durech 2019A&A...631A...2D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A 0.135 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S Bus VIS Bus 2002Icar..158..146B SPEC
S V 0.620000 0.370000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC