1999 JJ54

1999JJ54, 17114, 1990 TR2, 1990TR2, J90T02R, J99J54J

All data for this body: [vot]

MPC data
Name (number) 1999 JJ54 (17114)
a 3.14993
e 0.10220
i / sin(i) 5.5447 / 0.09662
q 2.82800
Q 3.47185
ω 269.4775
Node 234.6636
m 320.3940
n 0.1763
Epoch 2460800.5
nobs 2691
nopp 24
Years observed 1990-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.147
ep 0.123
sin(ip) 0.116
G 0.150
H 13.450
Mass
D 10.26 0.127
pV 0.062 0.0038
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1468 0.1228 0.1157 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.04 0.214 0.214 Masiero 2011ApJ...741...68M NEATM
10.36 0.158 0.158 Masiero 2011ApJ...741...68M NEATM
13.31 3.690 3.690 Nugent 2016AJ....152...63N NEATM
13.57 5.080 5.080 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.046 0.0300 0.0840 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0114 0.0114 Masiero 2011ApJ...741...68M NEATM
0.064 0.0041 0.0041 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
13.45 MPC-2023-12-04 MPC-2023-12-04 Phot