Fricke

01561, 1915 RO, 1915RO, 1941 CG, 1941CG, 1970 HE, 1970HE, J15R00O, J41C00G, J70H00E

All data for this body: [vot]

MPC data
Name (number) Fricke (1561)
a 3.20392
e 0.13093
i / sin(i) 4.3194 / 0.07532
q 2.78443
Q 3.62341
ω 45.3129
Node 230.4351
m 189.0463
n 0.1719
Epoch 2460800.5
nobs 5053
nopp 44
Years observed 1941-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.181
ep 0.156
sin(ip) 0.090
G 0.150
H 11.450
Mass
D 24.92 0.092
pV 0.072 0.0053
Value
Rotational Period 15.153
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1808 0.1559 0.0900 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
21.95 0.340 0.340 Masiero 2012ApJ...759L...8M NEATM
23.10 0.326 0.326 Masiero 2011ApJ...741...68M NEATM
23.59 4.720 4.720 Ali-Lagoa 2018A&A...612A..85A NEATM
24.79 1.180 1.180 Usui 2011PASJ...63.1117U NEATM
25.35 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
26.03 2.200 2.200 Tedesco 2002AJ....123.1056T STM
28.18 5.640 5.640 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0110 0.0110 Tedesco 2002AJ....123.1056T STM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.067 0.0270 0.0270 Ali-Lagoa 2018A&A...612A..85A NEATM
0.076 0.0092 0.0092 Masiero 2011ApJ...741...68M NEATM
0.096 0.0380 0.0380 Ali-Lagoa 2018A&A...612A..85A NEATM
0.111 0.0160 0.0160 Masiero 2012ApJ...759L...8M 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
11.45 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.1533 2 Sidereal Durech 2016A&A...587A..48D Model
15.1534 2 Sidereal Durech 2023A&A...675A..24D Model