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79945 (1999 CQ89)
Classification: Main-belt Asteroid          SPK-ID: 2079945
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04698730313957367 5.4293e-08  
a 3.087660525677042 3.1345e-08 au
q 2.94257968456496 1.6679e-07 au
i 11.41975259359421 4.6795e-06 deg
node 119.5076970330113 3.0416e-05 deg
peri 99.99290304505156 6.1394e-05 deg
M 257.1302755685217 5.2764e-05 deg
tp 2459566.775563489345
(2021-Dec-18.27556349)
0.00029145 TDB
period 1981.722066262119
5.43
3.0176e-05
8.262e-08
d
yr
n .181660186425145 2.7662e-09 deg/d
Q 3.232741366789125 3.2818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      7632 days (20.90 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50935  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 12:33:21  

Additional Information
 Earth MOID = 1.96073 au 
 Jupiter MOID = 1.86227 au 
 T_jup = 3.194 
[ 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 MPO412660  
diameter diameter 5.195 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79945 (1999 CQ89)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 CQ89 = 2003 YZ99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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