Pierretta

00312, 1891 QA, 1891QA, I91Q00A

All data for this body: [vot]

MPC data
Name (number) Pierretta (312)
a 2.78104
e 0.16034
i / sin(i) 9.0363 / 0.15706
q 2.33512
Q 3.22696
ω 262.1295
Node 6.2038
m 235.2856
n 0.2125
Epoch 2460200.5
nobs 7497
nopp 48
Years observed 1891-2023
rms 0.41
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.782
ep 0.167
sin(ip) 0.164
Value Standard error
G 0.150
H 9.020
Mass
D 47.28 0.249
pV 0.187 0.0076
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7820 0.1669 0.1638 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
46.19 0.410 0.410 Masiero 2014ApJ...791..121M NEATM
47.22 0.497 0.497 Masiero 2011ApJ...741...68M NEATM
47.79 0.440 0.440 Usui 2011PASJ...63.1117U NEATM
47.85 4.790 4.790 Ali-Lagoa 2018A&A...612A..85A NEATM
49.96 1.500 1.500 Tedesco 2002AJ....123.1056T STM
52.21 1.692 1.692 Ryan&Woodward 2010AJ....140..933R IRAS-STM
52.36 5.240 5.240 Ali-Lagoa 2018A&A...612A..85A NEATM
56.75 3.045 3.045 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.159 0.0180 0.0180 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.181 0.0122 0.0122 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.197 0.0130 0.0130 Tedesco 2002AJ....123.1056T STM
0.217 0.0430 0.0430 Ali-Lagoa 2018A&A...612A..85A NEATM
0.220 0.0590 0.0590 Masiero 2011ApJ...741...68M NEATM
0.230 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.260 0.0520 0.0520 Ali-Lagoa 2018A&A...612A..85A 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
9.02 MPC-2023-12-04 MPC-2023-12-04 Phot