Hayakawa

04773, 1970 GH2, 1970GH2, 1974 FF1, 1974FF1, 1987 HV1, 1987HV1, 1989 WF, 1989WF, J70G02H, J74F01F, J87H01V, J89W00F

All data for this body: [vot]

MPC data
Name (number) Hayakawa (4773)
a 2.61111
e 0.11388
i / sin(i) 5.0199 / 0.08750
q 2.31377
Q 2.90845
ω 62.3077
Node 60.0909
m 88.2819
n 0.2336
Epoch 2460800.5
nobs 5020
nopp 27
Years observed 1970-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.610
ep 0.134
sin(ip) 0.075
G 0.150
H 13.120
Mass
D 6.20 0.088
pV 0.333 0.0247
Value
Rotational Period 3.240
Period quality 3
Spectral Class S
Spectral Class Score 14.132
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6104 0.1335 0.0751 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.93 1.360 1.360 Nugent 2016AJ....152...63N NEATM
5.98 0.150 0.150 Masiero 2012ApJ...759L...8M NEATM
6.24 0.118 0.118 Masiero 2011ApJ...741...68M NEATM
6.74 0.270 0.270 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.230 0.1600 0.1600 Nugent 2016AJ....152...63N NEATM
0.269 0.0440 0.0440 Masiero 2012ApJ...759L...8M NEATM
0.342 0.0560 0.0560 Masiero 2012ApJ...759L...8M NEATM
0.378 0.0363 0.0363 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
13.12 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.2395 3 Synodic Hamanowa LCDB Lightcurve
3.2401 3 Synodic Behrend LCDB Lightcurve
78.7994 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.947 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5434 0.6620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8649 0.6620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT