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305777 (2009 DO47)
Classification: Main-belt Asteroid          SPK-ID: 2305777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213262469855425 4.9045e-08  
a 2.354031998360399 1.8333e-08 au
q 1.852005320271359 1.152e-07 au
i 9.44769914408332 7.4239e-06 deg
node 343.6230101620026 3.1213e-05 deg
peri 96.88024893944616 3.5117e-05 deg
M 97.73681903198271 1.7244e-05 deg
tp 2458642.343638648463
(2019-Jun-07.84363865)
6.1398e-05 TDB
period 1319.219219159988
3.61
1.5411e-05
4.219e-08
d
yr
n .2728886865590313 3.1878e-09 deg/d
Q 2.85605867644944 2.2243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1998-01-24  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60671  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:46  

Additional Information
 Earth MOID = .895476 au 
 Jupiter MOID = 2.44666 au 
 T_jup = 3.507 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO413264  

305777 (2009 DO47)          Discovered 2009-Jan-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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