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181768 (1997 CQ15)
Classification: Main-belt Asteroid          SPK-ID: 2181768
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158328792374604 4.8873e-08  
a 3.096995512973808 2.3899e-08 au
q 2.606651953415098 1.4809e-07 au
i 1.186584964472013 6.1617e-06 deg
node 150.6705035734487 0.00030332 deg
peri 329.6539370423224 0.00030468 deg
M 165.5909238802212 2.5939e-05 deg
tp 2458284.820862448877
(2018-Jun-15.32086245)
0.00013999 TDB
period 1990.715926899773
5.45
2.3043e-05
6.309e-08
d
yr
n .1808394633988001 2.0932e-09 deg/d
Q 3.587339072532519 2.7682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      8119 days (22.23 yr)  
   first obs. used      1997-02-06  
   last obs. used      2019-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:57  

Additional Information
 Earth MOID = 1.62261 au 
 Jupiter MOID = 1.49858 au 
 T_jup = 3.203 
[ 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 16.3   n/a MPO260268  

181768 (1997 CQ15)          Discovered 1997-Feb-06 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1997 CQ15 = 2006 VJ41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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