Hiroshi

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

All data for this body: [vot]

MPC data
Name (number) Hiroshi (4677)
a 3.12940
e 0.19551
i / sin(i) 0.4812 / 0.00840
q 2.51756
Q 3.74123
ω 54.1145
Node 11.9277
m 292.5717
n 0.1780
Epoch 2460200.5
nobs 3064
nopp 28
Years observed 1954-2023
rms 0.59
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 12.930
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-Oct-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-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.93 MPC-2023-12-04 MPC-2023-12-04 Phot