1998 HW120

1998HW120, 1999 RP233, 1999RP233, 69720, J98HC0W, J99RN3P

All data for this body: [vot]

MPC data
Name (number) 1998 HW120 (69720)
a 2.35485
e 0.01689
i / sin(i) 8.7945 / 0.15289
q 2.31507
Q 2.39462
ω 292.8198
Node 109.7585
m 183.7686
n 0.2727
Epoch 2460200.5
nobs 1617
nopp 19
Years observed 1998-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.355
ep 0.041
sin(ip) 0.143
Value Standard error
G 0.150
H 15.380
Mass
D 2.33 0.305
pV 0.356 0.1413
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3546 0.0409 0.1431 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.33 0.305 0.305 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.356 0.1413 0.1413 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
15.38 MPC-2023-12-04 MPC-2023-12-04 Phot