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JPL Small-Body Database Browser
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305753 (2009 DT8)
Classification: Main-belt Asteroid          SPK-ID: 2305753
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2077776770972374 3.4344e-08  
a 2.343735593532537 1.1771e-08 au
q 1.856759656178232 8.1235e-08 au
i 3.089924469172276 4.7103e-06 deg
node 274.6161966855925 8.7005e-05 deg
peri 148.2213387607482 8.7955e-05 deg
M 19.48104059061453 1.3252e-05 deg
tp 2458529.579628696030
(2019-Feb-15.07962870)		 4.8015e-05 TDB
period 1310.573403441792
3.59		 9.8728e-06
2.703e-08		 d
yr
n .2746889255150287 2.0693e-09 deg/d
Q 2.830711530886843 1.4216e-08 au
   Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      9186 days (25.15 yr)  
   first obs. used      1993-10-11  
   last obs. used      2018-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60179  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:19:20  

Additional Information
 Earth MOID = .87054 au 
 Jupiter MOID = 2.49314 au 
 T_jup = 3.531 
[ 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 17.2   n/a MPO413264  

305753 (2009 DT8)          Discovered 2009-Feb-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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