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312353 (2008 DV21)
Classification: Main-belt Asteroid          SPK-ID: 2312353
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06818975559067805 6.9657e-08  
a 2.810001185619276 3.7896e-08 au
q 2.618387891562382 1.9754e-07 au
i 5.009139697858013 7.9408e-06 deg
node 42.44958358441529 8.4771e-05 deg
peri 64.19878671244682 0.00011021 deg
M 262.0826347582546 7.2076e-05 deg
tp 2459468.467184397414
(2021-Sep-10.96718440)
0.00034999 TDB
period 1720.513883999459
4.71
3.4804e-05
9.529e-08
d
yr
n .2092398110517736 4.2327e-09 deg/d
Q 3.00161447967617 4.048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6463 days (17.69 yr)  
   first obs. used      2001-10-25  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:46  

Additional Information
 Earth MOID = 1.64004 au 
 Jupiter MOID = 2.08569 au 
 T_jup = 3.312 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO476402  

312353 (2008 DV21)          Discovered 2008-Feb-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2008 DV21 = 2006 UZ40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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