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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260584937658543 1.0097e-07  
a 2.376931881948899 2.8258e-08 au
q 2.077299429126383 2.2934e-07 au
i 1.928457099522218 1.1203e-05 deg
node 44.35660877176812 0.00023442 deg
peri 112.5268338677299 0.0002395 deg
M 277.5883953680806 5.8172e-05 deg
tp 2458906.914561656018
(2020-Feb-27.41456166)
0.0002204 TDB
period 1338.515888494687
3.66
2.3869e-05
6.535e-08
d
yr
n .2689545959778341 4.7962e-09 deg/d
Q 2.676564334771415 3.182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      7556 days (20.69 yr)  
   first obs. used      1998-01-28  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:04:44  

Additional Information
 Earth MOID = 1.08805 au 
 Jupiter MOID = 2.30717 au 
 T_jup = 3.529 
[ 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 9 CATAB v2.0e-lin.ifort 2019-Jul-14 12:04:46 2019-Jul-14 12:04

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