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85876 (1999 CQ7)
Classification: Main-belt Asteroid          SPK-ID: 2085876
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815117580781189 5.1243e-08  
a 2.275678448020602 1.0051e-08 au
q 1.862616052099897 1.1636e-07 au
i 22.80248268345446 6.3283e-06 deg
node 338.9991684260253 1.0434e-05 deg
peri 31.17195979206069 1.7134e-05 deg
M 199.6853603923124 1.5762e-05 deg
tp 2459558.887199486194
(2021-Dec-10.38719949)
5.7103e-05 TDB
period 1253.905396955339
3.43
8.3075e-06
2.274e-08
d
yr
n .2871029990572903 1.9022e-09 deg/d
Q 2.688740843941306 1.1876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      8294 days (22.71 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49281  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:18:18  

Additional Information
 Earth MOID = .879757 au 
 Jupiter MOID = 2.80417 au 
 T_jup = 3.486 
[ 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 14.4   n/a MPO459398  
diameter diameter 3.914 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85876 (1999 CQ7)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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