Roberta

00335, 1892 RB, 1892RB, 1910 EC, 1910EC, 1956 EB1, 1956EB1, 1973 KE, 1973KE, I92R00B, J10E00C, J56E01B, J73K00E

All data for this body: [vot]

MPC data
Name (number) Roberta (335)
a 2.47533
e 0.17183
i / sin(i) 5.1025 / 0.08894
q 2.05000
Q 2.90065
ω 139.7918
Node 148.4136
m 85.5095
n 0.2531
Epoch 2460800.5
nobs 6147
nopp 68
Years observed 1892-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.475
ep 0.166
sin(ip) 0.085
G 0.150
H 9.110
Mass 7.444e+17 1.621e+17
D 92.86 0.524
pV 0.053 0.0020
Value
Rotational Period 12.050
Period quality 3
Spectral Class C
Spectral Class Score 41.160
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4749 0.1656 0.0853 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.9688e+17 2.2921e+17 2.2921e+17 Fienga INPOP19a Ephem
9.9200e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
101.22 10.120 10.120 Ali-Lagoa 2018A&A...612A..85A NEATM
101.83 4.947 4.947 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
75.11 18.110 18.110 Masiero 2020PSJ.....1....5M NEATM
75.52 21.260 21.260 Nugent 2016AJ....152...63N NEATM
83.22 18.930 18.930 Masiero 2021PSJ.....2..162M NEATM
83.85 5.252 5.252 Ryan&Woodward 2010AJ....140..933R IRAS-STM
84.60 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
87.54 34.512 34.512 Masiero 2017AJ....154..168M NEATM
87.92 23.580 23.580 Masiero 2021PSJ.....2..162M NEATM
88.44 1.230 1.230 Masiero 2014ApJ...791..121M NEATM
89.07 2.000 2.000 Tedesco 2002AJ....123.1056T STM
89.70 1.491 1.491 Masiero 2011ApJ...741...68M NEATM
92.12 1.130 1.130 Usui 2011PASJ...63.1117U NEATM
97.11 0.850 0.850 Masiero 2012ApJ...759L...8M NEATM
99.43 9.940 9.940 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.038 0.0140 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.043 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0045 0.0045 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.045 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0150 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.047 0.0337 0.0337 Masiero 2017AJ....154..168M NEATM
0.049 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM
0.056 0.0490 0.0490 Masiero 2020PSJ.....1....5M NEATM
0.058 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.059 0.0113 0.0113 Masiero 2011ApJ...741...68M NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.060 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.069 0.0083 0.0083 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
9.11 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.0 Synodic Behrend LCDB Lightcurve
12.02 2- Synodic Behrend LCDB Lightcurve
12.02 2 Synodic Behrend LCDB Lightcurve
12.027 Synodic Marciniak 2015P&SS..118..256M Lightcurve
12.028 2+ Synodic Pilcher 2015MPBu...42..239P Lightcurve
12.035 2 Synodic Harris 1992Icar...95..115H Lightcurve
12.054 3 Synodic Warner 2007MPBu...34...99W Lightcurve
4.349 2 Synodic Riccioli 2001P&SS...49..657R Lightcurve
8.03 2 Synodic Binzel 1987Icar...72..135B Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B Bus VIS Bus 2002Icar..158..146B SPEC
B 0.926 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
B C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
B C 0.650000 0.350000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
C Bus-DeMeo VISNIR Clark 2010JGRE..115.6005C SPEC
C 0.960000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
C 0.960000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
C 0.960000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC