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JPL Small-Body Database Browser
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441808 (2009 HV39)
Classification: Main-belt Asteroid          SPK-ID: 2441808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09762028572993733 1.2967e-07  
a 3.010589511830365 6.9196e-08 au
q 2.716694903469933 4.1561e-07 au
i 12.73425090886253 7.8248e-06 deg
node 102.0200233553025 5.438e-05 deg
peri 93.46279500797699 7.4689e-05 deg
M 356.888749429704 4.5062e-05 deg
tp 2458616.989528278244
(2019-May-13.48952828)
0.0002388 TDB
period 1907.988458674054
5.22
6.5781e-05
1.801e-07
d
yr
n .1886803865942564 6.505e-09 deg/d
Q 3.304484120190798 7.5951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      3720 days (10.18 yr)  
   first obs. used      2009-03-02  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:04  

Additional Information
 Earth MOID = 1.75329 au 
 Jupiter MOID = 1.83687 au 
 T_jup = 3.205 
[ 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 16.5   n/a MPO342892  

441808 (2009 HV39)          Discovered 2009-Mar-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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