Gerda

00122, 1872 OA, 1872OA, 1948 TQ1, 1948TQ1, I72O00A, J48T01Q

All data for this body: [vot]

MPC data
Name (number) Gerda (122)
a 3.23326
e 0.02756
i / sin(i) 1.6434 / 0.02868
q 3.14417
Q 3.32236
ω 318.6538
Node 178.0937
m 249.0891
n 0.1695
Epoch 2460200.5
nobs 4134
nopp 78
Years observed 1872-2023
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.220
ep 0.058
sin(ip) 0.033
Value Standard error
G 0.150
H 7.730
Mass
D 80.60 0.562
pV 0.183 0.0059
Rotational Period 10.685
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2200 0.0579 0.0327 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
65.05 3.510 3.510 Masiero 2012ApJ...759L...8M NEATM
70.68 0.910 0.910 Masiero 2014ApJ...791..121M NEATM
81.69 1.900 1.900 Tedesco 2002AJ....123.1056T STM
83.37 8.340 8.340 Ali-Lagoa 2018A&A...612A..85A NEATM
84.51 16.900 16.900 Ali-Lagoa 2018A&A...612A..85A NEATM
85.17 2.507 2.507 Ryan&Woodward 2010AJ....140..933R IRAS-STM
85.41 1.230 1.230 Usui 2011PASJ...63.1117U NEATM
91.22 4.668 4.668 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
92.38 1.177 1.177 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.148 0.0280 0.0280 Masiero 2011ApJ...741...68M NEATM
0.152 0.0162 0.0162 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.173 0.0104 0.0104 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.188 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.230 0.0920 0.0920 Ali-Lagoa 2018A&A...612A..85A NEATM
0.236 0.0470 0.0470 Ali-Lagoa 2018A&A...612A..85A NEATM
0.250 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.297 0.0320 0.0320 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
7.73 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.33 Di Martino 1994Icar..107..269D Lightcurve
10.61 Behrend LCDB Lightcurve
10.67 Behrend LCDB Lightcurve
10.69 Robinson LCDB Lightcurve
10.69 Buchheim 2007MPBu...34...13B Lightcurve
10.69 Devogele 2017A&A...607A.119D Lightcurve
10.69 Hanus 2016A&A...586A.108H Model
10.69 Martikainen 2021A&A...649A..98M Model
10.69 Behrend LCDB Lightcurve
10.69 Shevchenko 2008LPICo1405.8106S Lightcurve
10.71 Pilcher 2009MPBu...36..133P Lightcurve
6.00 Behrend LCDB Lightcurve
8.90 Gil 1993RMxAA..25...75G Lightcurve