1999JQ99

1990FZ, 2000OY6, 31758, J90F00Z, J99J99Q, K00O06Y

All data for this body: [vot]

MPC data
Name (number) 1999JQ99 (31758)
Packed designation 31758
a 2.64399
e 0.21246
i / sin(i) 14.1169 / 0.24390
q 2.08226
Q 3.20573
ω 351.9918
Node 145.4998
m 180.2276
n 0.2293
Epoch 2459600.5
nobs 1679
nopp 18
Years observed 1990-2021
rms 0.49
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.643
ep 0.257
sin(ip) 0.221
Value Standard error
G 0.150
H 14.480
Mass
D 7.90 0.384
pV 0.062 0.0108
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6435 0.2571 0.2211 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.47 1.340 1.340 Masiero 2021PSJ.....2..162M NEATM
5.89 1.337 1.337 Masiero 2017AJ....154..168M NEATM
6.60 2.000 2.000 Nugent 2016AJ....152...63N NEATM
8.42 0.430 0.430 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0120 0.0120 Masiero 2012ApJ...759L...8M NEATM
0.060 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.088 0.0363 0.0363 Masiero 2017AJ....154..168M NEATM
0.103 0.0430 0.0740 Masiero 2021PSJ.....2..162M 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
14.48 MPC-2022-01-18 MPC-2022-01-18 Phot