Johnpardon

1996 VM21, 1996VM21, 1998 FG54, 1998FG54, 1999 TX30, 1999TX30, 22911, J96V21M, J98F54G, J99T30X

All data for this body: [vot]

MPC data
Name (number) Johnpardon (22911)
a 2.20462
e 0.09393
i / sin(i) 1.9126 / 0.03337
q 1.99753
Q 2.41170
ω 43.7833
Node 223.0525
m 208.8550
n 0.3011
Epoch 2460200.5
nobs 2128
nopp 19
Years observed 1996-2023
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.205
ep 0.089
sin(ip) 0.046
Value Standard error
G 0.150
H 15.340
Mass
D 2.48 0.307
pV 0.314 0.1066
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2052 0.0889 0.0459 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.48 0.307 0.307 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.314 0.1066 0.1066 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
15.34 MPC-2023-12-04 MPC-2023-12-04 Phot