1999 JJ17

1999JJ17, 1998 GH2, 1998GH2, 49639, J98G02H, J99J17J

All data for this body: [vot]

MPC data
Name (number) 1999 JJ17 (49639)
a 3.14732
e 0.18842
i / sin(i) 14.5876 / 0.25186
q 2.55430
Q 3.74034
ω 4.1791
Node 91.9166
m 5.4557
n 0.1765
Epoch 2460800.5
nobs 3477
nopp 20
Years observed 1996-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.155
ep 0.192
sin(ip) 0.222
G 0.150
H 13.810
Mass
D 7.46 0.340
pV 0.121 0.0199
Value
Rotational Period 1.210
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1554 0.1917 0.2217 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.23 1.127 1.127 Masiero 2011ApJ...741...68M NEATM
5.49 0.910 0.910 Masiero 2012ApJ...759L...8M NEATM
8.09 0.388 0.388 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.107 0.0210 0.0210 Masiero 2011ApJ...741...68M NEATM
0.233 0.0650 0.0650 Masiero 2012ApJ...759L...8M NEATM
0.257 0.1943 0.1943 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
13.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
1.21038 2 Synodic Pal 2020ApJS..247...26P Lightcurve