Gerarda

01337, 1934 RA1, 1934RA1, 1942 EE1, 1942EE1, J34R01A, J42E01E

All data for this body: [vot]

MPC data
Name (number) Gerarda (1337)
a 2.91199
e 0.10126
i / sin(i) 17.9799 / 0.30868
q 2.61711
Q 3.20686
ω 202.5744
Node 160.1323
m 92.7621
n 0.1983
Epoch 2460800.5
nobs 5415
nopp 44
Years observed 1934-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.910
ep 0.072
sin(ip) 0.298
G 0.150
H 11.220
Mass
D 42.41 0.192
pV 0.036 0.0020
Value
Rotational Period 12.500
Period quality 2
Spectral Class X
Spectral Class Score 21.296
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9105 0.0721 0.2985 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
33.31 9.330 9.330 Masiero 2020PSJ.....1....5M NEATM
35.53 13.320 13.320 Masiero 2020PSJ.....1....5M NEATM
35.56 11.350 11.350 Nugent 2016AJ....152...63N NEATM
36.06 3.610 3.610 Ali-Lagoa 2018A&A...612A..85A NEATM
37.86 2.989 2.989 Ryan&Woodward 2010AJ....140..933R IRAS-STM
38.86 3.600 3.600 Tedesco 2002AJ....123.1056T STM
40.58 9.700 9.700 Masiero 2021PSJ.....2..162M NEATM
40.88 0.300 0.300 Masiero 2014ApJ...791..121M NEATM
40.91 0.490 0.490 Usui 2011PASJ...63.1117U NEATM
41.53 0.480 0.480 Masiero 2012ApJ...759L...8M NEATM
42.29 12.260 12.260 Nugent 2016AJ....152...63N NEATM
42.31 12.360 12.360 Masiero 2021PSJ.....2..162M NEATM
43.20 4.320 4.320 Ali-Lagoa 2018A&A...612A..85A NEATM
43.59 2.122 2.122 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
44.17 4.420 4.420 Ali-Lagoa 2018A&A...612A..85A NEATM
46.46 0.379 0.379 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0042 0.0042 Masiero 2011ApJ...741...68M NEATM
0.032 0.0130 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.033 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.034 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.034 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM
0.035 0.0120 0.0190 Masiero 2021PSJ.....2..162M NEATM
0.036 0.0034 0.0034 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.039 0.0340 0.0340 Masiero 2020PSJ.....1....5M NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.040 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.044 0.0410 0.0410 Masiero 2020PSJ.....1....5M NEATM
0.044 0.0100 0.0100 Tedesco 2002AJ....123.1056T STM
0.049 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.054 0.0100 0.0100 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
11.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.462 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
12.47036 2 Sidereal Durech 2018A&A...617A..57D Model
12.52 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
C 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 0.604 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X 0.92 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.3540 0.6610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.5996 0.6610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.8517 0.6610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Xk Bus VIS Lazzaro 2004Icar..172..179L SPEC