Porthan

02333, 1926 GZ, 1926GZ, 1939 HJ, 1939HJ, 1943 EP, 1943EP, 1952 HS3, 1952HS3, 1954 UK2, 1954UK2, 1973 GT, 1973GT, J26G00Z, J39H00J, J43E00P, J52H03S, J54U02K, J73G00T

All data for this body: [vot]

MPC data
Name (number) Porthan (2333)
a 2.64659
e 0.13356
i / sin(i) 11.9462 / 0.20699
q 2.29311
Q 3.00007
ω 99.5995
Node 39.8590
m 56.3002
n 0.2289
Epoch 2460800.5
nobs 7782
nopp 28
Years observed 1943-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent Adeona (145)
 
ap 2.646
ep 0.164
sin(ip) 0.201
G 0.150
H 12.040
Mass
D 23.64 0.182
pV 0.059 0.0026
Value
Rotational Period 27.780
Period quality 3
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
145 Adeona 0 Adeona Novakovic 2019EPSC...13.1671N HCM
145 Adeona 505 Adeona -1.6600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6461 0.1644 0.2008 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.12 0.680 0.680 Nugent 2016AJ....152...63N NEATM
20.24 6.580 6.580 Masiero 2017AJ....154..168M NEATM
20.55 8.000 8.000 Masiero 2021PSJ.....2..162M NEATM
21.59 1.400 1.400 Tedesco 2002AJ....123.1056T STM
22.08 7.090 7.090 Masiero 2021PSJ.....2..162M NEATM
22.27 7.870 7.870 Masiero 2020PSJ.....1....5M NEATM
23.47 0.220 0.220 Masiero 2012ApJ...759L...8M NEATM
25.63 0.390 0.390 Usui 2011PASJ...63.1117U NEATM
26.56 5.200 5.200 Nugent 2016AJ....152...63N NEATM
27.72 2.770 2.770 Ali-Lagoa 2018A&A...612A..85A NEATM
27.96 2.800 2.800 Ali-Lagoa 2018A&A...612A..85A NEATM
29.53 7.410 7.410 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.031 0.0260 0.0260 Masiero 2012ApJ...759L...8M NEATM
0.036 0.0480 0.0480 Masiero 2020PSJ.....1....5M NEATM
0.044 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.061 0.0030 0.0030 Masiero 2012ApJ...759L...8M NEATM
0.067 0.0380 0.0380 Masiero 2017AJ....154..168M NEATM
0.085 0.0380 0.0700 Masiero 2021PSJ.....2..162M NEATM
0.095 0.0140 0.0140 Tedesco 2002AJ....123.1056T STM
0.098 0.0510 0.1080 Masiero 2021PSJ.....2..162M 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
12.04 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
27.7516 2 Synodic Pal 2020ApJS..247...26P Lightcurve
27.78 2 Synodic Behrend LCDB Lightcurve
27.784 3 Synodic Behrend LCDB Lightcurve
27.799 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
27.806 2 Synodic McNeill 2019ApJS..245...29M Lightcurve
28.0 2- Synodic Warner 2016MPBu...43..227W Lightcurve