Hirohisasato

09323, 1989 CV1, 1989CV1, 1991 TR, 1991TR, J89C01V, J91T00R

All data for this body: [vot]

MPC data
Name (number) Hirohisasato (9323)
a 2.37326
e 0.17047
i / sin(i) 5.4992 / 0.09583
q 1.96868
Q 2.77785
ω 359.5946
Node 99.4924
m 0.4693
n 0.2696
Epoch 2460800.5
nobs 4624
nopp 22
Years observed 1989-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.373
ep 0.190
sin(ip) 0.079
G 0.150
H 14.960
Mass
D 7.19 0.945
pV 0.048 0.0139
Value
Rotational Period 269.150
Period quality 2
Spectral Class C
Spectral Class Score 16.502
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3731 0.1902 0.0786 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.76 1.950 1.950 Nugent 2016AJ....152...63N NEATM
6.77 2.020 2.020 Masiero 2020PSJ.....1....5M NEATM
6.93 1.950 1.950 Masiero 2020PSJ.....1....5M NEATM
7.99 2.550 2.550 Masiero 2012ApJ...759L...8M NEATM
8.02 2.260 2.260 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.038 0.0200 0.0420 Masiero 2021PSJ.....2..162M NEATM
0.048 0.0190 0.0190 Masiero 2012ApJ...759L...8M NEATM
0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.056 0.0510 0.0510 Masiero 2020PSJ.....1....5M NEATM
0.063 0.0540 0.0540 Masiero 2020PSJ.....1....5M 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
14.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
269.156 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.70 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.1634 0.6630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.5759 0.6630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.6752 0.6630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.7691 0.6630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT