Hokutosei

05374, 1980 PF4, 1980PF4, 1981 UY12, 1981UY12, 1989 AM1, 1989AM1, J80P04F, J81U12Y, J89A01M

All data for this body: [vot]

MPC data
Name (number) Hokutosei (5374)
a 3.17188
e 0.10193
i / sin(i) 12.3062 / 0.21314
q 2.84857
Q 3.49518
ω 249.5791
Node 299.8670
m 80.6332
n 0.1745
Epoch 2460800.5
nobs 4740
nopp 27
Years observed 1980-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.172
ep 0.117
sin(ip) 0.240
G 0.150
H 11.520
Mass
D 35.57 0.596
pV 0.027 0.0017
Value
Rotational Period 6.759
Period quality 3
Spectral Class C
Spectral Class Score 6.388
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1718 0.1172 0.2397 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
26.78 2.680 2.680 Ali-Lagoa 2018A&A...612A..85A NEATM
29.09 2.703 2.703 Ryan&Woodward 2010AJ....140..933R IRAS-STM
29.95 7.590 7.590 Nugent 2016AJ....152...63N NEATM
31.06 4.500 4.500 Tedesco 2002AJ....123.1056T STM
32.29 0.900 0.900 Usui 2011PASJ...63.1117U NEATM
38.66 0.990 0.990 Masiero 2012ApJ...759L...8M NEATM
39.80 7.960 7.960 Ali-Lagoa 2018A&A...612A..85A NEATM
51.63 2.215 2.215 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.022 0.0019 0.0019 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.032 0.0130 0.0130 Ali-Lagoa 2018A&A...612A..85A NEATM
0.036 0.0050 0.0050 Masiero 2012ApJ...759L...8M NEATM
0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.061 0.0220 0.0220 Tedesco 2002AJ....123.1056T STM
0.069 0.0072 0.0072 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.070 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A 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
11.52 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.75887 2 Sidereal Durech 2020A&A...643A..59D Model
6.75891 2 Sidereal Durech 2023A&A...675A..24D Model
6.7592 3 Synodic Odden 2012MPBu...39..236O Lightcurve
6.8 2+ Synodic Moravec 2012MPBu...39..213M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.898 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT