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392145 (2009 HN37)
Classification: Inner Main-belt Asteroid          SPK-ID: 2392145
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07276700892190088 1.0244e-07  
a 1.893040509316611 1.901e-08 au
q 1.75528961368565 2.0566e-07 au
i 21.94050998860572 8.145e-06 deg
node 40.38933722545013 2.0733e-05 deg
peri 92.22727496480245 0.00010522 deg
M 168.319492591531 8.6544e-05 deg
tp 2458555.694446659696
(2019-Mar-13.19444666)
0.00023292 TDB
period 951.3455437458133
2.60
1.433e-05
3.923e-08
d
yr
n .3784114009537917 5.6999e-09 deg/d
Q 2.030791404947573 2.0393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5980 days (16.37 yr)  
   first obs. used      2002-10-16  
   last obs. used      2019-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58222  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:11:09  

Additional Information
 Earth MOID = .847904 au 
 Jupiter MOID = 3.03688 au 
 T_jup = 3.865 
[ 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 17.7   n/a MPO349078  

392145 (2009 HN37)          Discovered 2009-Feb-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

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