1997 YH4

1997YH4, 1982 VD11, 1982VD11, 1996 TM40, 1996TM40, 28012, J82V11D, J96T40M, J97Y04H

All data for this body: [vot]

MPC data
Name (number) 1997 YH4 (28012)
a 2.84391
e 0.07540
i / sin(i) 2.9230 / 0.05099
q 2.62948
Q 3.05834
ω 337.1899
Node 59.2549
m 316.3895
n 0.2055
Epoch 2460800.5
nobs 2500
nopp 23
Years observed 1996-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.844
ep 0.048
sin(ip) 0.037
G 0.150
H 13.890
Mass
D 4.09 1.006
pV 0.291 0.1197
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 0.852
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8443 0.0483 0.0371 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.09 1.006 1.006 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.291 0.1197 0.1197 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
13.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.142 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT