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90898 (1997 CQ19)
Classification: Main-belt Asteroid          SPK-ID: 2090898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2267187967556585 3.4203e-08  
a 2.609892695491714 1.399e-08 au
q 2.01818096390845 8.9463e-08 au
i 6.202822796911203 4.5013e-06 deg
node 91.69250628924576 4.4472e-05 deg
peri 333.7817529386453 4.6485e-05 deg
M 341.2434995155718 1.6715e-05 deg
tp 2459476.738299591887
(2021-Sep-19.23829959)
7.1924e-05 TDB
period 1540.041431345921
4.22
1.2383e-05
3.39e-08
d
yr
n .2337599448122493 1.8796e-09 deg/d
Q 3.201604427074978 1.7162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      8612 days (23.58 yr)  
   first obs. used      1997-02-11  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53637  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:42:29  

Additional Information
 Earth MOID = 1.0339 au 
 Jupiter MOID = 2.12271 au 
 T_jup = 3.365 
[ 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 15.11   n/a MPCxxxxx  

90898 (1997 CQ19)          Discovered 1997-Feb-11 by Kobayashi, T. at Oizumi
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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Alternate Designations
 1997 CQ19 = 2000 WZ61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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