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JPL Small-Body Database Browser
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305484 (2008 DB84)
Classification: Main-belt Asteroid          SPK-ID: 2305484
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 .1329736589973756 6.6863e-08  
a 3.066501594428992 3.5837e-08 au
q 2.658737657096482 1.9609e-07 au
i 9.308647750745552 7.947e-06 deg
node 160.97679450 4.2566e-05 deg
peri 264.0794285893203 5.4723e-05 deg
M 128.1925145826641 3.1437e-05 deg
tp 2457902.069196872032
(2017-May-28.56919687)
0.00016989 TDB
period 1961.386668672705
5.37
3.4383e-05
9.414e-08
d
yr
n .1835436152136267 3.2175e-09 deg/d
Q 3.474265531761501 4.0603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      6807 days (18.64 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64813  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:46  

Additional Information
 Earth MOID = 1.69205 au 
 Jupiter MOID = 1.91303 au 
 T_jup = 3.199 
[ 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 15.8   n/a MPO433969  

305484 (2008 DB84)          Discovered 2008-Feb-18 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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