1999 JA

1999JA, 2001 QW277, 2001QW277, 74534, J99J00A, K01QR7W

All data for this body: [vot]

MPC data
Name (number) 1999 JA (74534)
a 3.08919
e 0.04728
i / sin(i) 9.4045 / 0.16340
q 2.94313
Q 3.23526
ω 45.8115
Node 36.9419
m 294.3387
n 0.1815
Epoch 2460200.5
nobs 2326
nopp 19
Years observed 1999-2023
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.088
ep 0.045
sin(ip) 0.155
Value Standard error
G 0.150
H 13.880
Mass
D 6.38 0.139
pV 0.166 0.0107
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0878 0.0451 0.1549 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.44 0.196 0.196 Masiero 2011ApJ...741...68M NEATM
7.31 0.196 0.196 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.120 0.0148 0.0148 Masiero 2011ApJ...741...68M NEATM
0.217 0.0154 0.0154 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
13.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.96 Durech 2023A&A...675A..24D Model
9.99 Podlewska 2021ApJS..255....4P Lightcurve