Petropolitana

00830, 1916 QE, 1916QE, 1917 YD, 1917YD, 1933 RK, 1933RK, 1949 KW, 1949KW, J16Q00E, J17Y00D, J33R00K, J49K00W

All data for this body: [vot]

MPC data
Name (number) Petropolitana (830)
a 3.21069
e 0.06630
i / sin(i) 3.8017 / 0.06630
q 2.99783
Q 3.42355
ω 91.7281
Node 340.2360
m 244.9035
n 0.1713
Epoch 2460800.5
nobs 8862
nopp 56
Years observed 1916-2025
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.205
ep 0.067
sin(ip) 0.079
G 0.150
H 9.270
Mass
D 42.39 0.121
pV 0.213 0.0102
Value
Rotational Period 39.000
Period quality 2
Spectral Class L
Spectral Class Score 3.671
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2051 0.0669 0.0788 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
37.12 2.644 2.644 Ryan&Woodward 2010AJ....140..933R IRAS-STM
41.22 1.600 1.600 Tedesco 2002AJ....123.1056T STM
41.33 0.130 0.130 Masiero 2014ApJ...791..121M NEATM
42.73 8.550 8.550 Ali-Lagoa 2018A&A...612A..85A NEATM
43.41 1.150 1.150 Masiero 2012ApJ...759L...8M NEATM
46.45 2.988 2.988 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
48.47 0.920 0.920 Usui 2011PASJ...63.1117U NEATM
50.84 5.080 5.080 Ali-Lagoa 2018A&A...612A..85A NEATM
51.35 0.403 0.403 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.154 0.0389 0.0389 Masiero 2011ApJ...741...68M NEATM
0.168 0.0340 0.0340 Ali-Lagoa 2018A&A...612A..85A NEATM
0.190 0.0234 0.0234 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.215 0.0190 0.0190 Masiero 2012ApJ...759L...8M NEATM
0.220 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.238 0.0200 0.0200 Tedesco 2002AJ....123.1056T STM
0.239 0.0960 0.0960 Ali-Lagoa 2018A&A...612A..85A NEATM
0.301 0.0432 0.0432 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
9.27 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
169.52 2 Synodic Marciniak 2018A&A...610A...7M Lightcurve
37.347 2 Sidereal Hanus 2016A&A...586A.108H Model
39.0 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L L 0.6119 0.6119 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT