Benfranklin

05102, 1930 UA1, 1930UA1, 1939 PB, 1939PB, 1986 RD1, 1986RD1, 1988 AJ1, 1988AJ1, J30U01A, J39P00B, J86R01D, J88A01J

All data for this body: [vot]

MPC data
Name (number) Benfranklin (5102)
a 2.80179
e 0.19576
i / sin(i) 8.1074 / 0.14103
q 2.25330
Q 3.35027
ω 53.4916
Node 317.1558
m 68.7627
n 0.2102
Epoch 2460800.5
nobs 3995
nopp 27
Years observed 1939-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.800
ep 0.154
sin(ip) 0.159
G 0.150
H 12.810
Mass
D 16.67 0.268
pV 0.043 0.0058
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 9.109
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8001 0.1537 0.1587 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.19 4.540 4.540 Masiero 2021PSJ.....2..162M NEATM
15.21 1.190 1.190 Usui 2011PASJ...63.1117U NEATM
15.72 3.140 3.140 Ali-Lagoa 2018A&A...612A..85A NEATM
16.73 0.280 0.280 Masiero 2012ApJ...759L...8M NEATM
17.32 6.361 6.361 Masiero 2017AJ....154..168M NEATM
17.39 5.930 5.930 Nugent 2016AJ....152...63N NEATM
17.50 8.040 8.040 Masiero 2021PSJ.....2..162M NEATM
18.20 1.900 1.900 Tedesco 2002AJ....123.1056T STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.038 0.0200 0.0430 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0100 0.0100 Nugent 2016AJ....152...63N NEATM
0.041 0.0120 0.0120 Masiero 2012ApJ...759L...8M NEATM
0.044 0.0110 0.0110 Tedesco 2002AJ....123.1056T STM
0.051 0.0250 0.0480 Masiero 2021PSJ.....2..162M NEATM
0.054 0.0358 0.0358 Masiero 2017AJ....154..168M NEATM
0.063 0.0250 0.0250 Ali-Lagoa 2018A&A...612A..85A 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
12.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B B 0.0808 0.0808 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B Bus VIS Bus 2002Icar..158..146B SPEC
B 0.604 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C B 0.880000 0.120000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC