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305789 (2009 DK71)
Classification: Main-belt Asteroid          SPK-ID: 2305789
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1258195013618772 7.7673e-08  
a 2.376493301954081 1.3546e-08 au
q 2.077484099712377 1.8759e-07 au
i 1.928377059774784 6.4635e-06 deg
node 44.34883307329487 0.00022083 deg
peri 112.5225094822294 0.00022247 deg
M 25.18138216106383 2.3794e-05 deg
tp 2458906.899022963503
(2020-Feb-27.39902296)		 8.8633e-05 TDB
period 1338.145440850396
3.66		 1.1441e-05
3.132e-08		 d
yr
n .2690290524557769 2.3003e-09 deg/d
Q 2.675502504195785 1.5251e-08 au
   Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      8120 days (22.23 yr)  
   first obs. used      1998-01-28  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:15  

Additional Information
 Earth MOID = 1.08775 au 
 Jupiter MOID = 2.30671 au 
 T_jup = 3.530 
[ 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 17.5   n/a MPO460268  

305789 (2009 DK71)          Discovered 2009-Feb-18 by La Sagra at La Sagra
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2193-Apr-25 06:24 00:03 Thisb 0.0367861864405579 0.0367447973176146 0.0368276236427476 5.21019812845179 5.21019809287754 2522151.766788462 3.14760117008564 2943.87457156474 99.4442815759562 -45.5071800171386 39483.1211898524 T 11 CATAB v2.0f-lin.ifort 2020-May-21 20:01:17 2020-May-21 20:01

Alternate Designations
 2009 DK71 = 1998 BV35 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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