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 2.25183
e 0.10845
i / sin(i) 4.2106 / 0.07342
q 2.00761
Q 2.49605
ω 138.4454
Node 347.6699
m 308.7548
n 0.2917
Epoch 2460800.5
nobs 8182
nopp 26
Years observed 1938-2025
rms 0.47
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.252
ep 0.154
sin(ip) 0.072
G 0.150
H 13.470
Mass
D 6.05 0.198
pV 0.304 0.0401
Value
Rotational Period 3.530
Period quality 3-
Spectral Class S
Spectral Class Score 22.137
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-Nov-2024
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
13.47 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.534 3- Synodic Black 2016MPBu...43..287B Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.7732 0.7732 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S Tholen VIS Xu 1995Icar..115....1X SPEC
S 0.968 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S L 0.670000 0.320000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC