Johnen

08581, 1977 XS, 1977XS, 1996 YO2, 1996YO2, J77X00S, J96Y02O

All data for this body: [vot]

MPC data
Name (number) Johnen (8581)
a 2.83536
e 0.04266
i / sin(i) 3.1976 / 0.05578
q 2.71440
Q 2.95633
ω 31.3423
Node 74.9252
m 176.1260
n 0.2064
Epoch 2460200.5
nobs 2928
nopp 24
Years observed 1977-2023
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.837
ep 0.059
sin(ip) 0.038
Value Standard error
G 0.150
H 13.630
Mass
D 5.84 0.158
pV 0.248 0.0392
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 605 Koronis -0.4100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8366 0.0588 0.0381 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.84 0.158 0.158 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.248 0.0392 0.0392 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
13.63 MPC-2023-12-04 MPC-2023-12-04 Phot