Hiraimasa

09333, 1990 TK3, 1990TK3, 1992 EQ1, 1992EQ1, J90T03K, J92E01Q

All data for this body: [vot]

MPC data
Name (number) Hiraimasa (9333)
a 2.58049
e 0.17615
i / sin(i) 17.1103 / 0.29421
q 2.12594
Q 3.03504
ω 2.3396
Node 32.3681
m 118.5451
n 0.2378
Epoch 2460800.5
nobs 3986
nopp 26
Years observed 1990-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.582
ep 0.160
sin(ip) 0.276
G 0.150
H 12.860
Mass
D 9.18 0.126
pV 0.198 0.0217
Value
Rotational Period 6.910
Period quality 2+
Spectral Class L
Spectral Class Score 2.268
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5823 0.1604 0.2763 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.45 1.280 1.280 Nugent 2016AJ....152...63N NEATM
8.46 0.214 0.214 Masiero 2011ApJ...741...68M NEATM
8.64 0.780 0.780 Usui 2011PASJ...63.1117U NEATM
9.05 1.810 1.810 Ali-Lagoa 2018A&A...612A..85A NEATM
9.65 0.160 0.160 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.173 0.0320 0.0320 Masiero 2012ApJ...759L...8M NEATM
0.183 0.0730 0.0730 Ali-Lagoa 2018A&A...612A..85A NEATM
0.225 0.0336 0.0336 Masiero 2011ApJ...741...68M NEATM
0.230 0.1100 0.1100 Nugent 2016AJ....152...63N 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
12.86 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.911 2+ Synodic Polakis 2020MPBu...47...94P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.378 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT