Keikonakamura

07862, 1954 QC1, 1954QC1, 1981 EE28, 1981EE28, 1995 CP7, 1995CP7, J54Q01C, J81E28E, J95C07P

All data for this body: [vot]

MPC data
Name (number) Keikonakamura (7862)
a 2.84109
e 0.07484
i / sin(i) 2.3777 / 0.04149
q 2.62847
Q 3.05371
ω 352.9279
Node 33.0226
m 230.7668
n 0.2058
Epoch 2460800.5
nobs 4260
nopp 27
Years observed 1954-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.840
ep 0.043
sin(ip) 0.037
G 0.150
H 13.600
Mass
D 5.66 0.272
pV 0.276 0.0596
Value
Rotational Period 18.840
Period quality 2
Spectral Class None
Spectral Class Score
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 -0.3800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8402 0.0432 0.0370 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.02 0.375 0.375 Masiero 2011ApJ...741...68M NEATM
6.37 0.395 0.395 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.228 0.0737 0.0737 Masiero 2011ApJ...741...68M NEATM
0.367 0.1015 0.1015 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
13.60 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.849 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
31.084 2 Sidereal Durech 2023A&A...675A..24D Model