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312360 (2008 DX46)
Classification: Main-belt Asteroid          SPK-ID: 2312360
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2099335232231077 5.9819e-08  
a 2.69707967222789 2.293e-08 au
q 2.130872234223665 1.5836e-07 au
i 8.537372099992162 4.9476e-06 deg
node 158.2038310948828 4.3573e-05 deg
peri 18.86833464183875 4.6384e-05 deg
M 276.8236701859133 1.8998e-05 deg
tp 2459374.297457293237
(2021-Jun-08.79745729)
8.8723e-05 TDB
period 1617.853119106672
4.43
2.0632e-05
5.649e-08
d
yr
n .2225171097106645 2.8377e-09 deg/d
Q 3.263287110232115 2.7744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      7927 days (21.70 yr)  
   first obs. used      1999-02-08  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:44  

Additional Information
 Earth MOID = 1.1376 au 
 Jupiter MOID = 1.70295 au 
 T_jup = 3.321 
[ 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 16.8   n/a MPO413277  

312360 (2008 DX46)          Discovered 2008-Feb-28 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 DX46 = 1999 CM157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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