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226684 (2004 HF52)
Classification: Main-belt Asteroid          SPK-ID: 2226684
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1196112894162275 7.0955e-08  
a 2.464706081028192 2.5595e-08 au
q 2.169899408644393 1.6628e-07 au
i 6.042745390452924 7.9416e-06 deg
node 218.7893907929009 5.9036e-05 deg
peri 193.4732345554 6.8617e-05 deg
M 219.7794720892287 3.2625e-05 deg
tp 2459550.997345106979
(2021-Dec-02.49734511)
0.00012666 TDB
period 1413.338312095234
3.87
2.2015e-05
6.027e-08
d
yr
n .2547160838414619 3.9677e-09 deg/d
Q 2.759512753411991 2.8656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      5477 days (15.00 yr)  
   first obs. used      2004-04-24  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:56:14  

Additional Information
 Earth MOID = 1.18106 au 
 Jupiter MOID = 2.58187 au 
 T_jup = 3.470 
[ 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 16.9   n/a MPO470424  

226684 (2004 HF52)          Discovered 2004-Apr-24 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 HF52 = 2008 GF139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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