Hernius

06686, 1977 EC9, 1977EC9, 1979 QC2, 1979QC2, 1980 WS2, 1980WS2, J77E09C, J79Q02C, J80W02S

All data for this body: [vot]

MPC data
Name (number) Hernius (6686)
a 2.94823
e 0.09957
i / sin(i) 2.3841 / 0.04160
q 2.65469
Q 3.24177
ω 256.6531
Node 160.7565
m 290.7973
n 0.1947
Epoch 2460800.5
nobs 4606
nopp 34
Years observed 1955-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.948
ep 0.081
sin(ip) 0.037
G 0.150
H 12.810
Mass
D 8.57 0.153
pV 0.200 0.0316
Value
Rotational Period 4.700
Period quality 2
Spectral Class K
Spectral Class Score 1.464
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 1.1600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9484 0.0808 0.0373 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.57 0.153 0.153 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.200 0.0316 0.0316 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
12.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.288 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
4.707 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.70938 2 Sidereal Durech 2023A&A...675A..24D Model
4.709381 2 Sidereal Durech 2019A&A...631A...2D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K 0.244 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT