1999 JJ64

1999JJ64, 1964 VM, 1964VM, 1975 VO8, 1975VO8, 1980 TR15, 1980TR15, 1982 DU6, 1982DU6, 1998 FZ84, 1998FZ84, 1999 LP19, 1999LP19, 31724, J64V00M, J75V08O, J80T15R, J82D06U, J98F84Z, J99J64J, J99L19P

All data for this body: [vot]

MPC data
Name (number) 1999 JJ64 (31724)
a 3.05433
e 0.15526
i / sin(i) 8.3580 / 0.14536
q 2.58011
Q 3.52855
ω 56.5581
Node 67.3995
m 66.5923
n 0.1846
Epoch 2460800.5
nobs 3661
nopp 26
Years observed 1975-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.049
ep 0.178
sin(ip) 0.132
G 0.150
H 12.940
Mass
D 9.09 0.492
pV 0.234 0.0375
Value
Rotational Period 19.117
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0486 0.1782 0.1321 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.09 0.492 0.492 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.234 0.0375 0.0375 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
12.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.1177 2 Sidereal Durech 2023A&A...675A..24D Model