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180691 (2004 HH19)
Classification: Main-belt Asteroid          SPK-ID: 2180691
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2707325178785352 4.97e-08  
a 2.607254485251663 1.9341e-08 au
q 1.901385913709377 1.3513e-07 au
i 4.380127059418482 6.2061e-06 deg
node 257.9602857728964 6.7215e-05 deg
peri 289.3366592570829 6.8563e-05 deg
M 2.182915734180368 1.8286e-05 deg
tp 2459191.175876178408
(2020-Dec-07.67587618)
7.8021e-05 TDB
period 1537.706895054945
4.21
1.711e-05
4.684e-08
d
yr
n .2341148375920735 2.605e-09 deg/d
Q 3.31312305679395 2.4577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      6142 days (16.82 yr)  
   first obs. used      2004-04-19  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:32  

Additional Information
 Earth MOID = .907356 au 
 Jupiter MOID = 1.68518 au 
 T_jup = 3.355 
[ 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 16.14   n/a E2021B55  

180691 (2004 HH19)          Discovered 2004-Apr-19 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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