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312357 (2008 DY45)
Classification: Main-belt Asteroid          SPK-ID: 2312357
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09130239252688187 7.0319e-08  
a 2.744743165220775 3.8709e-08 au
q 2.494141547364311 2.0524e-07 au
i 12.94520136701649 5.8212e-06 deg
node 84.75979006202773 2.6514e-05 deg
peri 127.6603853314753 4.3538e-05 deg
M 199.4363794733517 4.0547e-05 deg
tp 2459741.290914042454
(2022-Jun-10.79091404)
0.00019437 TDB
period 1660.92872208884
4.55
3.5136e-05
9.62e-08
d
yr
n .2167462066326674 4.5851e-09 deg/d
Q 2.995344783077238 4.2243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      5677 days (15.54 yr)  
   first obs. used      2004-04-16  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58249  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:10:28  

Additional Information
 Earth MOID = 1.50725 au 
 Jupiter MOID = 2.05873 au 
 T_jup = 3.306 
[ 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 15.9   n/a MPO455302  

312357 (2008 DY45)          Discovered 2008-Feb-28 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2008 DY45 = 2004 HX64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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