Porvoo

01757, 1939 FC, 1939FC, 1964 BB, 1964BB, 1968 FK, 1968FK, J39F00C, J64B00B, J68F00K

All data for this body: [vot]

MPC data
Name (number) Porvoo (1757)
a 2.35106
e 0.12623
i / sin(i) 3.9746 / 0.06931
q 2.05428
Q 2.64783
ω 148.9559
Node 39.3830
m 144.9761
n 0.2734
Epoch 2460200.5
nobs 6242
nopp 34
Years observed 1939-2023
rms 0.44
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.352
ep 0.164
sin(ip) 0.059
Value Standard error
G 0.150
H 13.600
Mass
D 12.39 0.391
pV 0.044 0.0070
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3517 0.1640 0.0591 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.03 2.850 2.850 Masiero 2012ApJ...759L...8M NEATM
12.53 2.510 2.510 Ali-Lagoa 2018A&A...612A..85A NEATM
12.81 0.450 0.450 Usui 2011PASJ...63.1117U NEATM
14.79 1.480 1.480 Ali-Lagoa 2018A&A...612A..85A NEATM
8.31 1.820 1.820 Nugent 2016AJ....152...63N NEATM
9.07 2.870 2.870 Nugent 2016AJ....152...63N NEATM
9.16 2.010 2.010 Masiero 2021PSJ.....2..162M NEATM
9.97 2.240 2.240 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.054 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.056 0.0280 0.0280 Masiero 2020PSJ.....1....5M NEATM
0.072 0.0970 0.0970 Masiero 2012ApJ...759L...8M NEATM
0.079 0.0310 0.0520 Masiero 2021PSJ.....2..162M NEATM
0.080 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM
0.090 0.0500 0.0500 Nugent 2016AJ....152...63N 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
13.60 MPC-2023-12-04 MPC-2023-12-04 Phot