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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08188039079170217 4.464e-08  
a 3.156452925753926 2.5999e-08 au
q 2.898001326677583 1.4731e-07 au
i 23.02582190061646 5.8023e-06 deg
node 51.96794534583749 1.2129e-05 deg
peri 39.33753469210148 4.5616e-05 deg
M .7207049466797383 4.0461e-05 deg
tp 2459196.399352819503
(2020-Dec-12.89935282)		 0.00023022 TDB
period 2048.318097135078
5.61		 2.5308e-05
6.929e-08		 d
yr
n .1757539517438826 2.1715e-09 deg/d
Q 3.414904524830269 2.8128e-08 au
   Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      8480 days (23.22 yr)  
   first obs. used      1997-10-29  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54448  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:06:51  

Additional Information
 Earth MOID = 1.93774 au 
 Jupiter MOID = 2.00591 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 14.04   n/a E2021B10  
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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