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101618 (1999 CN9)
Classification: Main-belt Asteroid          SPK-ID: 2101618
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2347876341502 3.9516e-08  
a 2.38295052113699 8.8137e-09 au
q 1.82346320598225 9.2021e-08 au
i 9.428612711225405 5.1408e-06 deg
node 19.67849481985022 2.9664e-05 deg
peri 66.09898601639492 3.2674e-05 deg
M 25.37963512598525 1.1634e-05 deg
tp 2459105.777350440759
(2020-Sep-13.27735044)		 4.3354e-05 TDB
period 1343.602997917528
3.68		 7.4543e-06
2.041e-08		 d
yr
n .267936288143127 1.4865e-09 deg/d
Q 2.94243783629173 1.0883e-08 au
   Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1999-02-14  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:41  

Additional Information
 Earth MOID = .862046 au 
 Jupiter MOID = 2.37272 au 
 T_jup = 3.481 
[ 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 15.5   n/a MPO453469  

101618 (1999 CN9)          Discovered 1999-Feb-14 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 CN9 = 2001 RO88 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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