Hirose

01612, 1939 CD, 1939CD, 1950 BJ, 1950BJ, 1952 PD, 1952PD, J39C00D, J50B00J, J52P00D

All data for this body: [vot]

MPC data
Name (number) Hirose (1612)
a 3.10408
e 0.09095
i / sin(i) 16.8326 / 0.28958
q 2.82177
Q 3.38640
ω 243.7194
Node 319.4010
m 228.3324
n 0.1802
Epoch 2460800.5
nobs 4650
nopp 38
Years observed 1939-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.102
ep 0.115
sin(ip) 0.308
G 0.150
H 10.820
Mass
D 19.57 0.268
pV 0.104 0.0109
Value
Rotational Period 12.200
Period quality 3-
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1023 0.1146 0.3077 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.59 1.310 1.310 Usui 2011PASJ...63.1117U NEATM
18.96 0.380 0.380 Masiero 2014ApJ...791..121M NEATM
19.35 3.870 3.870 Ali-Lagoa 2018A&A...612A..85A NEATM
20.33 0.397 0.397 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.098 0.0131 0.0131 Masiero 2011ApJ...741...68M NEATM
0.110 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.234 0.0940 0.0940 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
10.82 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.28 3- Synodic Polakis 2021MPBu...48..239P Lightcurve
12.295 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
12.30331 2 Sidereal Durech 2019A&A...631A...2D Model
12.3034 2 Sidereal Durech 2023A&A...675A..24D Model