Mikeshepard

1977FQ, 1998MA8, 20392, J77F00Q, J98M08A

All data for this body: [vot]

MPC data
Name (number) Mikeshepard (20392)
Packed designation 20392
a 2.89622
e 0.09403
i / sin(i) 15.9047 / 0.27404
q 2.62388
Q 3.16856
ω 53.1456
Node 252.8492
m 284.0413
n 0.2000
Epoch 2459600.5
nobs 1889
nopp 20
Years observed 1977-2021
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Fringilla (709)
 
ap 2.896
ep 0.082
sin(ip) 0.290
Value Standard error
G 0.150
H 13.360
Mass
D 11.87 0.094
pV 0.038 0.0113
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
709 Fringilla 623 Fringilla Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8959 0.0819 0.2905 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.86 0.094 0.094 Masiero 2011ApJ...741...68M NEATM
13.50 3.760 3.760 Masiero 2020PSJ.....1....5M NEATM
15.99 5.260 5.260 Masiero 2020PSJ.....1....5M NEATM
20.05 7.130 7.130 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.023 0.0150 0.0150 Masiero 2012ApJ...759L...8M NEATM
0.033 0.0430 0.0430 Masiero 2020PSJ.....1....5M NEATM
0.054 0.0430 0.0430 Masiero 2020PSJ.....1....5M NEATM
0.066 0.0210 0.0210 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.36 MPC-2022-01-18 MPC-2022-01-18 Phot