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76643 (2000 HH23)
Classification: Main-belt Asteroid          SPK-ID: 2076643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08168863896824398 4.6322e-08  
a 3.155681868692618 3.1274e-08 au
q 2.897898511822353 1.5724e-07 au
i 23.02867606778351 6.6646e-06 deg
node 51.97039223194559 1.4021e-05 deg
peri 39.42434464428583 5.2206e-05 deg
M 325.4806342375868 4.8786e-05 deg
tp 2459196.835374693781
(2020-Dec-13.33537469)
0.00027835 TDB
period 2047.567599481298
5.61
3.0439e-05
8.334e-08
d
yr
n .1758183710717035 2.6137e-09 deg/d
Q 3.413465225562883 3.3829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57912  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:53:35  

Additional Information
 Earth MOID = 1.93824 au 
 Jupiter MOID = 2.00709 au 
 T_jup = 3.077 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO333452  
diameter diameter 7.663 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

76643 (2000 HH23)          Discovered 2000-Apr-30 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 HH23 = 1999 CR124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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