Heisei

04290, 1973 TY, 1973TY, 1977 KF1, 1977KF1, 1984 UU, 1984UU, 1987 FC, 1987FC, 1989 UK3, 1989UK3, J73T00Y, J77K01F, J84U00U, J87F00C, J89U03K

All data for this body: [vot]

MPC data
Name (number) Heisei (4290)
a 3.02598
e 0.09519
i / sin(i) 8.4951 / 0.14772
q 2.73793
Q 3.31403
ω 87.3956
Node 243.8234
m 314.0770
n 0.1872
Epoch 2460800.5
nobs 6251
nopp 29
Years observed 1973-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.025
ep 0.069
sin(ip) 0.166
G 0.150
H 11.730
Mass
D 17.32 0.076
pV 0.148 0.0091
Value
Rotational Period 10.600
Period quality 3-
Spectral Class X
Spectral Class Score 5.477
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0254 0.0694 0.1663 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.03 4.160 4.160 Nugent 2016AJ....152...63N NEATM
15.72 3.140 3.140 Ali-Lagoa 2018A&A...612A..85A NEATM
15.76 1.470 1.470 Usui 2011PASJ...63.1117U NEATM
16.80 3.360 3.360 Ali-Lagoa 2018A&A...612A..85A NEATM
17.28 0.090 0.090 Masiero 2014ApJ...791..121M NEATM
17.43 0.147 0.147 Masiero 2011ApJ...741...68M NEATM
17.45 0.450 0.450 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.130 0.1600 0.1600 Nugent 2016AJ....152...63N NEATM
0.146 0.0220 0.0220 Masiero 2012ApJ...759L...8M NEATM
0.146 0.0120 0.0120 Masiero 2011ApJ...741...68M NEATM
0.150 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.162 0.0650 0.0650 Ali-Lagoa 2018A&A...612A..85A NEATM
0.185 0.0740 0.0740 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
11.73 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.63 3- Synodic Pligge 2011MPBu...38..137P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.387 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X 0.68 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.6862 0.6862 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT