Haswell

1998 QC44, 1998QC44, 1999 XE191, 1999XE191, 23809, J98Q44C, J99XJ1E

All data for this body: [vot]

MPC data
Name (number) Haswell (23809)
a 2.40657
e 0.10879
i / sin(i) 6.9034 / 0.12020
q 2.14476
Q 2.66837
ω 229.2127
Node 7.3358
m 142.7723
n 0.2640
Epoch 2460800.5
nobs 2448
nopp 22
Years observed 1991-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.408
ep 0.126
sin(ip) 0.119
G 0.150
H 14.740
Mass
D
pV
Value
Rotational Period 3.500
Period quality 2-
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4077 0.1260 0.1195 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.74 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.59 2- Synodic Pravec LCDB Lightcurve