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6399 Harada (1991 GA)
Classification: Main-belt Asteroid          SPK-ID: 2006399
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111369369127623 1.8503e-08  
a 2.430780121502658 8.3834e-09 au
q 2.160630664490421 4.6669e-08 au
i 8.398148925379404 8.4762e-07 deg
node 38.41884503600613 3.742e-06 deg
peri 191.4460383349926 8.7302e-06 deg
M 265.5655334472315 7.992e-06 deg
tp 2459563.615653833250
(2021-Dec-15.11565383)
3.1831e-05 TDB
period 1384.257677856685
3.79
7.1612e-06
1.961e-08
d
yr
n .2600671867375198 1.3454e-09 deg/d
Q 2.700929578514895 9.3151e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2568  
   data-arc span      25312 days (69.30 yr)  
   first obs. used      1951-12-01  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44812  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:51:53  

Additional Information
 Earth MOID = 1.15013 au 
 Jupiter MOID = 2.28085 au 
 T_jup = 3.485 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.09   n/a MPCxxxxx  
diameter diameter 5.809 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.02 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.225   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

6399 Harada (1991 GA)          Discovered 1991-Apr-03 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1991 GA = 1976 GB3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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