1998 HQ149

1998HQ149, 1999 TX112, 1999TX112, 40025, J98HE9Q, J99TB2X

All data for this body: [vot]

MPC data
Name (number) 1998 HQ149 (40025)
a 2.54399
e 0.09930
i / sin(i) 6.6921 / 0.11653
q 2.29138
Q 2.79661
ω 337.0960
Node 262.2219
m 233.5106
n 0.2429
Epoch 2460800.5
nobs 1893
nopp 21
Years observed 1998-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.543
ep 0.115
sin(ip) 0.131
G 0.150
H 14.830
Mass
D 3.07 0.197
pV 0.297 0.0425
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5433 0.1147 0.1309 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.91 0.425 0.425 Masiero 2011ApJ...741...68M NEATM
3.12 0.222 0.222 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.287 0.0483 0.0483 Masiero 2011ApJ...741...68M NEATM
0.331 0.0895 0.0895 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
14.83 MPC-2023-12-04 MPC-2023-12-04 Phot