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JPL Small-Body Database Browser
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305983 (2009 HF104)
Classification: Main-belt Asteroid          SPK-ID: 2305983
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142504219872044 7.2173e-08  
a 2.72298352138347 2.9024e-08 au
q 2.411881505001205 1.8444e-07 au
i 4.496775231841257 5.002e-06 deg
node 107.4011702192102 7.9921e-05 deg
peri 94.18983677415096 8.2777e-05 deg
M 189.1397246999568 2.3637e-05 deg
tp 2459779.440970981669
(2022-Jul-18.94097098)
0.00011313 TDB
period 1641.216772365401
4.49
2.624e-05
7.184e-08
d
yr
n .2193494522244923 3.507e-09 deg/d
Q 3.034085537765736 3.234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      7076 days (19.37 yr)  
   first obs. used      2000-05-03  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61565  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:12  

Additional Information
 Earth MOID = 1.41396 au 
 Jupiter MOID = 1.93449 au 
 T_jup = 3.344 
[ 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 16.7   n/a MPO494624  

305983 (2009 HF104)          Discovered 2009-Apr-22 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 HF104 = 2004 DZ75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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