Joan

02677, 1930 FO, 1930FO, 1935 FF, 1935FF, 1951 JL, 1951JL, 1974 VV1, 1974VV1, 1977 JO, 1977JO, 1982 HC, 1982HC, J30F00O, J35F00F, J51J00L, J74V01V, J77J00O, J82H00C

All data for this body: [vot]

MPC data
Name (number) Joan (2677)
a 2.99187
e 0.05244
i / sin(i) 10.0971 / 0.17532
q 2.83497
Q 3.14877
ω 16.9977
Node 194.5957
m 107.0311
n 0.1905
Epoch 2460800.5
nobs 4773
nopp 35
Years observed 1930-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.993
ep 0.086
sin(ip) 0.178
G 0.150
H 11.510
Mass
D 18.25 0.194
pV 0.060 0.0031
Value
Rotational Period 16.900
Period quality 3
Spectral Class K
Spectral Class Score 3.258
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -1.0800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9928 0.0858 0.1779 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.89 3.380 3.380 Ali-Lagoa 2018A&A...612A..85A NEATM
17.72 0.380 0.380 Masiero 2014ApJ...791..121M NEATM
17.86 0.250 0.250 Masiero 2011ApJ...741...68M NEATM
18.56 0.910 0.910 Usui 2011PASJ...63.1117U NEATM
19.37 0.850 0.850 Masiero 2012ApJ...759L...8M NEATM
20.59 2.000 2.000 Tedesco 2002AJ....123.1056T STM
21.24 4.250 4.250 Ali-Lagoa 2018A&A...612A..85A NEATM
21.34 8.202 8.202 Ryan&Woodward 2010AJ....140..933R IRAS-STM
31.21 1.328 1.328 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.042 0.0036 0.0036 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.089 0.0098 0.0098 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.096 0.0210 0.0210 Tedesco 2002AJ....123.1056T STM
0.105 0.0420 0.0420 Ali-Lagoa 2018A&A...612A..85A NEATM
0.127 0.0092 0.0092 Masiero 2011ApJ...741...68M NEATM
0.130 0.0220 0.0220 Masiero 2012ApJ...759L...8M NEATM
0.130 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.166 0.0660 0.0660 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
11.51 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.97 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
16.97872 2 Sidereal Martikainen 2021A&A...649A..98M Model
16.97876 2 Sidereal Durech 2018A&A...617A..57D Model
16.9788 2 Sidereal Durech 2023A&A...675A..24D Model
16.98 3 Synodic Ditteon 2019MPBu...46..127D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K 0.543 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT