Ichikawa

04903, 1953FU, 1972TM1, 1977OG, 1980BU4, 1983TG, 1989UD, J53F00U, J72T01M, J77O00G, J80B04U, J83T00G, J89U00D

All data for this body: [vot]

MPC data
Name (number) Ichikawa (4903)
Packed designation 04903
a 3.14300
e 0.18481
i / sin(i) 2.5432 / 0.04437
q 2.56214
Q 3.72386
ω 251.0320
Node 90.7621
m 309.2710
n 0.1769
Epoch 2459600.5
nobs 2716
nopp 28
Years observed 1953-2021
rms 0.46
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.151
ep 0.152
sin(ip) 0.024
Value Standard error
G 0.150
H 12.740
Mass
D 14.90 0.362
pV 0.109 0.0081
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis 0.2000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
656 Beagle 620 Beagle -2.4100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1505 0.1525 0.0241 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.79 0.389 0.389 Masiero 2011ApJ...741...68M NEATM
15.08 5.270 5.270 Masiero 2020PSJ.....1....5M NEATM
15.58 1.070 1.070 Usui 2011PASJ...63.1117U NEATM
16.03 3.210 3.210 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.058 0.0480 0.0480 Masiero 2020PSJ.....1....5M NEATM
0.060 0.0240 0.0240 Ali-Lagoa 2018A&A...612A..85A NEATM
0.117 0.0087 0.0087 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.74 MPC-2022-01-18 MPC-2022-01-18 Phot