1998 HL149

1998HL149, 19489, 1999 RZ89, 1999RZ89, J98HE9L, J99R89Z

All data for this body: [vot]

MPC data
Name (number) 1998 HL149 (19489)
a 2.55199
e 0.11857
i / sin(i) 5.7679 / 0.10050
q 2.24941
Q 2.85458
ω 179.1962
Node 31.3256
m 96.8067
n 0.2418
Epoch 2460200.5
nobs 2639
nopp 21
Years observed 1991-2023
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.553
ep 0.203
sin(ip) 0.093
Value Standard error
G 0.150
H 14.090
Mass
D 4.73 0.061
pV 0.249 0.0222
Rotational Period 2.714
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5525 0.2027 0.0934 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.52 0.229 0.229 Masiero 2011ApJ...741...68M NEATM
4.75 0.063 0.063 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.237 0.0318 0.0318 Masiero 2011ApJ...741...68M NEATM
0.261 0.0311 0.0311 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
14.09 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.71 Waszczak 2015AJ....150...75W Lightcurve
2.71 Durech 2018A&A...617A..57D Model
2.71 Durech 2023A&A...675A..24D Model