Heiankyo

07023, 1977 NL, 1977NL, 1980 EL1, 1980EL1, 1992 KE, 1992KE, J77N00L, J80E01L, J92K00E

All data for this body: [vot]

MPC data
Name (number) Heiankyo (7023)
a 2.45699
e 0.13661
i / sin(i) 7.5783 / 0.13188
q 2.12133
Q 2.79265
ω 186.7494
Node 106.3622
m 163.1237
n 0.2559
Epoch 2460800.5
nobs 8063
nopp 27
Years observed 1955-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.454
ep 0.127
sin(ip) 0.114
G 0.150
H 13.290
Mass
D 6.99 0.176
pV 0.186 0.0181
Value
Rotational Period 10.800
Period quality 3
Spectral Class X
Spectral Class Score 2.562
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4540 0.1271 0.1139 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.77 0.230 0.230 Masiero 2011ApJ...741...68M NEATM
6.09 0.970 0.970 Nugent 2016AJ....152...63N NEATM
7.74 1.870 1.870 Nugent 2016AJ....152...63N NEATM
9.00 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.165 0.0200 0.0200 Masiero 2012ApJ...759L...8M NEATM
0.240 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.335 0.0542 0.0542 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
13.29 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.807 3 Synodic Stephens 2015MPBu...42..279S Lightcurve
10.8169 2 Sidereal Durech 2020A&A...643A..59D Model
10.819 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
X 0.427 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT