Shikoku

04223, 1948 VA, 1948VA, 1953 TG, 1953TG, 1958 TO, 1958TO, 1961 FA, 1961FA, 1969 XE, 1969XE, 1980 XF3, 1980XF3, 1988 JM, 1988JM, J48V00A, J53T00G, J58T00O, J61F00A, J69X00E, J80X03F, J88J00M

All data for this body: [vot]

MPC data
Name (number) Shikoku (4223)
a 3.00768
e 0.10612
i / sin(i) 9.2379 / 0.16053
q 2.68850
Q 3.32687
ω 83.2211
Node 269.1507
m 166.4040
n 0.1890
Epoch 2460200.5
nobs 5285
nopp 29
Years observed 1953-2023
rms 0.44
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.008
ep 0.070
sin(ip) 0.183
Value Standard error
G 0.150
H 11.020
Mass
D 23.32 0.129
pV 0.173 0.0191
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.7400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0080 0.0702 0.1830 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
22.25 0.730 0.730 Usui 2011PASJ...63.1117U NEATM
22.38 4.480 4.480 Ali-Lagoa 2018A&A...612A..85A NEATM
22.87 0.240 0.240 Masiero 2014ApJ...791..121M NEATM
22.99 0.610 0.610 Masiero 2012ApJ...759L...8M NEATM
23.61 0.162 0.162 Masiero 2011ApJ...741...68M NEATM
23.71 4.740 4.740 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.159 0.0640 0.0640 Ali-Lagoa 2018A&A...612A..85A NEATM
0.168 0.0333 0.0333 Masiero 2011ApJ...741...68M NEATM
0.175 0.0360 0.0360 Masiero 2012ApJ...759L...8M NEATM
0.178 0.0710 0.0710 Ali-Lagoa 2018A&A...612A..85A NEATM
0.180 0.0400 0.0400 Masiero 2014ApJ...791..121M 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
11.02 MPC-2023-12-04 MPC-2023-12-04 Phot