Hara

04640, 1938 DB, 1938DB, 1982 DC3, 1982DC3, 1982 DM6, 1982DM6, 1987 UV2, 1987UV2, 1989 GA, 1989GA, J38D00B, J82D03C, J82D06M, J87U02V, J89G00A

All data for this body: [vot]

MPC data
Name (number) Hara (4640)
a 2.25161
e 0.10817
i / sin(i) 4.2109 / 0.07343
q 2.00804
Q 2.49518
ω 138.6313
Node 347.6888
m 133.4806
n 0.2917
Epoch 2460200.5
nobs 7398
nopp 25
Years observed 1938-2023
rms 0.37
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.252
ep 0.154
sin(ip) 0.072
Value Standard error
G 0.150
H 13.510
Mass
D 6.05 0.198
pV 0.304 0.0401
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2518 0.1545 0.0720 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.05 0.198 0.198 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.304 0.0401 0.0401 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
13.51 MPC-2023-12-04 MPC-2023-12-04 Phot