Johnny

03252, 1981 EM4, 1981EM4, J81E04M

All data for this body: [vot]

MPC data
Name (number) Johnny (3252)
a 2.66413
e 0.11166
i / sin(i) 12.7156 / 0.22011
q 2.36665
Q 2.96162
ω 158.2097
Node 326.7375
m 322.4442
n 0.2267
Epoch 2460200.5
nobs 3095
nopp 27
Years observed 1981-2023
rms 0.47
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.664
ep 0.151
sin(ip) 0.228
Value Standard error
G 0.150
H 12.370
Mass
D 7.81 0.380
pV 0.419 0.0980
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia 0.3900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6638 0.1511 0.2281 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.81 0.380 0.380 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.419 0.0980 0.0980 Masiero 2012ApJ...759L...8M 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
12.37 MPC-2023-12-04 MPC-2023-12-04 Phot