Porco

07231, 1974 TQ, 1974TQ, 1983 EA2, 1983EA2, 1985 TQ1, 1985TQ1, J74T00Q, J83E02A, J85T01Q

All data for this body: [vot]

MPC data
Name (number) Porco (7231)
a 3.16860
e 0.07159
i / sin(i) 9.4326 / 0.16389
q 2.94176
Q 3.39545
ω 323.7750
Node 21.2436
m 26.6720
n 0.1747
Epoch 2460800.5
nobs 4620
nopp 29
Years observed 1974-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Veritas (490)
 
ap 3.166
ep 0.062
sin(ip) 0.161
G 0.150
H 12.510
Mass
D 18.38 0.277
pV 0.072 0.0050
Value
Rotational Period 33.900
Period quality 2
Spectral Class C
Spectral Class Score 4.750
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
490 Veritas 0 Veritas Novakovic 2019EPSC...13.1671N HCM
490 Veritas 609 Veritas -1.5400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1658 0.0616 0.1607 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.22 3.640 3.640 Ali-Lagoa 2018A&A...612A..85A NEATM
18.33 0.283 0.283 Masiero 2011ApJ...741...68M NEATM
19.39 1.510 1.510 Usui 2011PASJ...63.1117U NEATM
21.64 4.330 4.330 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.068 0.0270 0.0270 Ali-Lagoa 2018A&A...612A..85A NEATM
0.074 0.0053 0.0053 Masiero 2011ApJ...741...68M 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
12.51 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
33.96 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.950000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC