1998 QX78

1998QX78, 1999 TT291, 1999TT291, 44284, J98Q78X, J99TT1T

All data for this body: [vot]

MPC data
Name (number) 1998 QX78 (44284)
a 2.60409
e 0.14689
i / sin(i) 13.6634 / 0.23622
q 2.22158
Q 2.98660
ω 121.6743
Node 213.0398
m 335.8307
n 0.2345
Epoch 2460200.5
nobs 2155
nopp 20
Years observed 1998-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.604
ep 0.100
sin(ip) 0.248
Value Standard error
G 0.150
H 14.070
Mass
D 4.72 0.196
pV 0.265 0.0315
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6044 0.1002 0.2482 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.68 0.362 0.362 Masiero 2011ApJ...741...68M NEATM
4.73 0.233 0.233 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.261 0.0604 0.0604 Masiero 2011ApJ...741...68M NEATM
0.267 0.0369 0.0369 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
14.07 MPC-2023-12-04 MPC-2023-12-04 Phot