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
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