1997 YK4

1997YK4, 08429, 1979 SV7, 1979SV7, 1988 FH2, 1988FH2, 1988 GK2, 1988GK2, 1993 DR, 1993DR, J79S07V, J88F02H, J88G02K, J93D00R, J97Y04K

All data for this body: [vot]

MPC data
Name (number) 1997 YK4 (8429)
a 3.08684
e 0.14095
i / sin(i) 5.8270 / 0.10153
q 2.65175
Q 3.52193
ω 288.0903
Node 9.9340
m 200.2534
n 0.1817
Epoch 2460800.5
nobs 3467
nopp 27
Years observed 1979-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.089
ep 0.132
sin(ip) 0.105
G 0.150
H 12.950
Mass
D 14.63 0.102
pV 0.070 0.0068
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.176
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0890 0.1321 0.1055 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.39 0.195 0.195 Masiero 2011ApJ...741...68M NEATM
14.70 0.120 0.120 Masiero 2011ApJ...741...68M NEATM
14.85 2.970 2.970 Ali-Lagoa 2018A&A...612A..85A NEATM
17.25 1.160 1.160 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.059 0.0096 0.0096 Masiero 2011ApJ...741...68M NEATM
0.062 0.0250 0.0250 Ali-Lagoa 2018A&A...612A..85A NEATM
0.085 0.0105 0.0105 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
12.95 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 C 0.1154 0.4260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.8627 0.4260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.5056 0.4260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT