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305370 (2008 CQ3)
Classification: Main-belt Asteroid          SPK-ID: 2305370
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03009860779198112 6.7804e-08  
a 3.128292359851539 4.0914e-08 au
q 3.034135115053717 2.1829e-07 au
i 9.938938054685062 5.7981e-06 deg
node 140.8635884537083 4.6374e-05 deg
peri 112.1333396083026 0.00012914 deg
M 343.6396191462132 0.00011734 deg
tp 2459092.343904119262
(2020-Aug-30.84390412)
0.00065801 TDB
period 2020.967957801629
5.53
3.9648e-05
1.086e-07
d
yr
n .1781324630161882 3.4946e-09 deg/d
Q 3.222449604649362 4.2146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      4481 days (12.27 yr)  
   first obs. used      2008-01-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:04  

Additional Information
 Earth MOID = 2.03555 au 
 Jupiter MOID = 1.83678 au 
 T_jup = 3.190 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457440.5 (2016-Feb-22.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02908100991753003 6.8184e-08  
q 3.03888522354218 2.1893e-07 au
tp 2457061.931689162869
(2015-Feb-08.43168916)
0.00069479 TDB
node 140.8860157555147 4.6375e-05 deg
peri 110.6050498854381 0.00013236 deg
i 9.937379492826894 5.7975e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      4481 days (12.27 yr)  
   first obs. used      2008-01-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:04  

Additional Information
 Jupiter MOID = 1.83678 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.649107657299754E-15 -1.467756910060173E-14 -1.083481377939434E-11 1.029793136145295E-14 -1.872756622637224E-12 -7.128280946714602E-15
q -1.467756910060173E-14 4.793008383744532E-14 2.134330408398995E-11 -2.99772882943339E-14 3.644401867170916E-12 2.535319207245839E-14
tp -1.083481377939434E-11 2.134330408398995E-11 4.827368423268948E-7 6.337315816754646E-11 8.624699759877992E-8 6.162853354066747E-12
node 1.029793136145295E-14 -2.99772882943339E-14 6.337315816754646E-11 2.150660244147677E-9 -2.106253826329742E-9 5.852318960468909E-11
peri -1.872756622637224E-12 3.644401867170916E-12 8.624699759877992E-8 -2.106253826329742E-9 1.751798661439075E-8 -5.633985355189234E-11
i -7.128280946714602E-15 2.535319207245839E-14 6.162853354066747E-12 5.852318960468909E-11 -5.633985355189234E-11 3.361100099795075E-11

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 15.8   n/a MPO433967  

305370 (2008 CQ3)          Discovered 2008-Feb-02 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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