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392148 (2009 HF39)
Classification: Main-belt Asteroid          SPK-ID: 2392148
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0863850862254134 1.0324e-07  
a 3.076271618214042 4.9493e-08 au
q 2.81052762922183 3.3975e-07 au
i 9.622285127159531 9.1512e-06 deg
node 148.2274116536193 6.0814e-05 deg
peri 7.74193501525975 8.894e-05 deg
M 81.21028760398804 6.1986e-05 deg
tp 2458555.926069216451
(2019-Mar-13.42606922)
0.00033846 TDB
period 1970.767741428589
5.40
4.7561e-05
1.302e-07
d
yr
n .182669927273642 4.4084e-09 deg/d
Q 3.342015607206255 5.3769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      5840 days (15.99 yr)  
   first obs. used      2003-04-04  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67215  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:13:09  

Additional Information
 Earth MOID = 1.82084 au 
 Jupiter MOID = 1.64692 au 
 T_jup = 3.202 
[ 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 16.3   n/a MPO434452  

392148 (2009 HF39)          Discovered 2009-Apr-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2009 HF39 = 2003 GP25 = 2008 CA8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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