Hiroshi

04677, 1968UF1, 1976GZ4, 1979TX1, 1979WR, 1981EF49, 1990SQ4, J68U01F, J76G04Z, J79T01X, J79W00R, J81E49F, J90S04Q

All data for this body: [vot]

MPC data
Name (number) Hiroshi (4677)
Packed designation 04677
a 3.12950
e 0.19502
i / sin(i) 0.4813 / 0.00840
q 2.51917
Q 3.73983
ω 54.1660
Node 11.9394
m 185.6220
n 0.1780
Epoch 2459600.5
nobs 2786
nopp 26
Years observed 1954-2021
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.140
ep 0.170
sin(ip) 0.023
Value Standard error
G 0.150
H 12.860
Mass
D 14.00 0.101
pV 0.105 0.0137
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis 0.0700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1400 0.1699 0.0230 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.94 2.790 2.790 Ali-Lagoa 2018A&A...612A..85A NEATM
13.98 0.103 0.103 Masiero 2011ApJ...741...68M NEATM
14.10 1.200 1.200 Usui 2011PASJ...63.1117U NEATM
14.85 0.598 0.598 Masiero 2011ApJ...741...68M NEATM
15.01 3.000 3.000 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.066 0.0260 0.0260 Ali-Lagoa 2018A&A...612A..85A NEATM
0.077 0.0310 0.0310 Ali-Lagoa 2018A&A...612A..85A NEATM
0.127 0.0283 0.0283 Masiero 2011ApJ...741...68M NEATM
0.143 0.0251 0.0251 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
12.86 MPC-2022-01-18 MPC-2022-01-18 Phot