Penelope

00201, 1869 GA, 1869GA, 1879 PA, 1879PA, I69G00A, I79P00A

All data for this body: [vot]

MPC data
Name (number) Penelope (201)
a 2.67879
e 0.17913
i / sin(i) 5.7560 / 0.10029
q 2.19894
Q 3.15864
ω 181.0561
Node 156.9093
m 303.6644
n 0.2248
Epoch 2460200.5
nobs 11344
nopp 64
Years observed 1879-2023
rms 0.35
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.678
ep 0.146
sin(ip) 0.090
Value Standard error
G 0.150
H 8.590
Mass 9.335e+17 3.994e+17
D 69.82 0.857
pV 0.099 0.0043
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6782 0.1459 0.0901 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.1849e+18 5.6489e+17 5.6489e+17 Fienga INPOP19a Ephem
6.8200e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
57.99 2.559 2.559 Ryan&Woodward 2010AJ....140..933R IRAS-STM
60.87 6.400 6.400 Masiero 2012ApJ...759L...8M NEATM
65.85 1.150 1.150 Usui 2011PASJ...63.1117U NEATM
66.29 6.630 6.630 Ali-Lagoa 2018A&A...612A..85A NEATM
68.39 3.500 3.500 Tedesco 2002AJ....123.1056T STM
82.78 3.577 3.577 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
85.00 8.000 8.000 Hanus 2013Icar..226.1045H AO/LC
85.88 3.140 3.140 Masiero 2014ApJ...791..121M NEATM
88.09 2.792 2.792 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0100 0.0100 Masiero 2012ApJ...759L...8M NEATM
0.097 0.0060 0.0060 Masiero 2011ApJ...741...68M NEATM
0.100 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.110 0.0098 0.0098 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.160 0.0180 0.0180 Tedesco 2002AJ....123.1056T STM
0.192 0.0380 0.0380 Ali-Lagoa 2018A&A...612A..85A NEATM
0.227 0.0212 0.0212 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
8.59 MPC-2023-12-04 MPC-2023-12-04 Phot