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305811 (2009 DH105)
Classification: Main-belt Asteroid          SPK-ID: 2305811
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278624358381658 9.4429e-08  
a 2.743572331722608 2.4623e-08 au
q 2.392772490490358 2.536e-07 au
i 2.860837255147019 9.3644e-06 deg
node 340.0313053300264 0.00012484 deg
peri 202.653866550106 0.00012743 deg
M 165.1471274150766 2.6926e-05 deg
tp 2458239.049683174903
(2018-Apr-30.54968318)
0.00012062 TDB
period 1659.866074255493
4.54
2.2346e-05
6.118e-08
d
yr
n .2168849677595057 2.9198e-09 deg/d
Q 3.094372172954857 2.7772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      9412 days (25.77 yr)  
   first obs. used      1995-01-29  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:08:58  

Additional Information
 Earth MOID = 1.39563 au 
 Jupiter MOID = 1.87064 au 
 T_jup = 3.335 
[ 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 16.8   n/a MPO397067  

305811 (2009 DH105)          Discovered 2009-Feb-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 DH105 = 2004 BU63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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