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JPL Small-Body Database Browser
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305398 (2008 CD77)
Classification: Main-belt Asteroid          SPK-ID: 2305398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07704871938269901 4.5688e-08  
a 3.005751693097019 2.9288e-08 au
q 2.774162374361514 1.3327e-07 au
i 9.7280456002753 4.6348e-06 deg
node 126.0031263153569 2.9292e-05 deg
peri 2.489069744269992 4.3673e-05 deg
M 147.0177122470783 3.3377e-05 deg
tp 2458223.188242013140
(2018-Apr-14.68824201)
0.00017407 TDB
period 1903.391289377316
5.21
2.782e-05
7.617e-08
d
yr
n .189136097243448 2.7644e-09 deg/d
Q 3.237341011832523 3.1544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      9597 days (26.28 yr)  
   first obs. used      1993-03-22  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57796  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:54:04  

Additional Information
 Earth MOID = 1.78925 au 
 Jupiter MOID = 1.80939 au 
 T_jup = 3.225 
[ 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 15.4   n/a MPO433967  

305398 (2008 CD77)          Discovered 2008-Feb-06 by CSS at Catalina
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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