Fredrick

1998 HQ116, 1998HQ116, 2000 XH2, 2000XH2, 41943, J98HB6Q, K00X02H

All data for this body: [vot]

MPC data
Name (number) Fredrick (41943)
a 2.53206
e 0.14399
i / sin(i) 14.3738 / 0.24825
q 2.16746
Q 2.89665
ω 358.3318
Node 62.6647
m 39.3195
n 0.2446
Epoch 2460800.5
nobs 2075
nopp 19
Years observed 1998-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.533
ep 0.137
sin(ip) 0.227
G 0.150
H 14.720
Mass
D 4.07 0.209
pV 0.156 0.0202
Value
Rotational Period 10.942
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5331 0.1371 0.2273 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.97 0.679 0.679 Masiero 2011ApJ...741...68M NEATM
4.08 0.220 0.220 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.153 0.0236 0.0236 Masiero 2011ApJ...741...68M NEATM
0.162 0.0389 0.0389 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
14.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.9422 2 Sidereal Durech 2023A&A...675A..24D Model