Fredfranklin

04418, 1931 TR1, 1931TR1, 1987 BR3, 1987BR3, 1988 GE, 1988GE, J31T01R, J87B03R, J88G00E

All data for this body: [vot]

MPC data
Name (number) Fredfranklin (4418)
a 2.57984
e 0.15638
i / sin(i) 12.6726 / 0.21938
q 2.17640
Q 2.98329
ω 82.4689
Node 203.7835
m 278.4664
n 0.2379
Epoch 2460800.5
nobs 4810
nopp 29
Years observed 1931-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.580
ep 0.137
sin(ip) 0.230
G 0.150
H 12.950
Mass
D 7.03 0.850
pV 0.326 0.0870
Value
Rotational Period 4.810
Period quality 2+
Spectral Class S
Spectral Class Score 13.514
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.9400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5805 0.1368 0.2300 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.03 0.850 0.850 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.326 0.0870 0.0870 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
12.95 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.819 2+ Synodic Warner 2005MPBu...32...90W Lightcurve
5.33 2 Synodic Chang 2016ApJS..227...20C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Tholen VISNIR Nathues 2010Icar..208..252N SPEC+PHOT
S S 0.5856 0.5780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT