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101615 (1999 CD9)
Classification: Main-belt Asteroid          SPK-ID: 2101615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08489084971485644 6.0455e-08  
a 2.633113467361598 1.9366e-08 au
q 2.40958622772164 1.6387e-07 au
i 14.1744311712052 6.1893e-06 deg
node 156.7686173646096 1.6145e-05 deg
peri 359.5675635067882 3.0419e-05 deg
M 33.07643693351384 2.5901e-05 deg
tp 2459057.109952754297
(2020-Jul-26.60995275)
0.00011172 TDB
period 1560.640195684141
4.27
1.7218e-05
4.714e-08
d
yr
n .2306745661143157 2.5449e-09 deg/d
Q 2.856640707001556 2.101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      7737 days (21.18 yr)  
   first obs. used      1999-02-12  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6099  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:40  

Additional Information
 Earth MOID = 1.41896 au 
 Jupiter MOID = 2.12623 au 
 T_jup = 3.351 
[ 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 15.59   n/a E2021B55  

101615 (1999 CD9)          Discovered 1999-Feb-14 by Hug, G., Bell, G. at Farpoint
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 CD9 = 2001 UT88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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