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305812 (2009 DK105)
Classification: Main-belt Asteroid          SPK-ID: 2305812
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04264224820817564 7.0259e-08  
a 2.769602951942092 4.4416e-08 au
q 2.651500855427281 1.9639e-07 au
i 2.465222799749169 8.3474e-06 deg
node 332.4898915692007 0.00015828 deg
peri 161.6158063109232 0.00018039 deg
M 198.3437936258067 8.5182e-05 deg
tp 2459756.487438152291
(2022-Jun-25.98743815)
0.000398 TDB
period 1683.544874886236
4.61
4.0498e-05
1.109e-07
d
yr
n .2138345139296192 5.1438e-09 deg/d
Q 2.887705048456902 4.631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5591 days (15.31 yr)  
   first obs. used      2004-02-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5309  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:02  

Additional Information
 Earth MOID = 1.66546 au 
 Jupiter MOID = 2.11272 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 16.5   n/a MPO437357  

305812 (2009 DK105)          Discovered 2009-Feb-26 by Spacewatch at Kitt Peak
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
2189-Oct-17 15:00 01:54 Hygie 0.0364963294011048 0.0364318126095583 0.0365608886024256 1.73242915572556 1.7324285446459 2520866.124718931 114.042096074986 3724.11105272317 82.7524699825107 31.2881575776972 33965.3403892442 T 10 CATAB v2.0f-lin.ifort 2019-Sep-24 05:55:03 2019-Sep-24 05:55

Alternate Designations
 2009 DK105 = 2007 VB64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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