1999JL44

1988LO, 29931, J88L00O, J99J44L

All data for this body: [vot]

MPC data
Name (number) 1999JL44 (29931)
Packed designation 29931
a 3.17222
e 0.05826
i / sin(i) 14.6974 / 0.25372
q 2.98741
Q 3.35703
ω 292.1490
Node 238.0595
m 61.7720
n 0.1744
Epoch 2459600.5
nobs 2607
nopp 21
Years observed 1988-2021
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.174
ep 0.072
sin(ip) 0.270
Value Standard error
G 0.150
H 12.310
Mass
D 20.53 0.152
pV 0.064 0.0010
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1736 0.0724 0.2703 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.91 0.260 0.260 Masiero 2014ApJ...791..121M NEATM
20.82 0.259 0.259 Masiero 2011ApJ...741...68M NEATM
20.91 0.279 0.279 Masiero 2011ApJ...741...68M NEATM
20.93 1.560 1.560 Usui 2011PASJ...63.1117U NEATM
21.42 4.280 4.280 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.056 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.064 0.0014 0.0014 Masiero 2011ApJ...741...68M NEATM
0.065 0.0013 0.0013 Masiero 2011ApJ...741...68M NEATM
0.070 0.0200 0.0200 Masiero 2014ApJ...791..121M 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
12.31 MPC-2022-01-18 MPC-2022-01-18 Phot