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85903 (1999 CD70)
Classification: Main-belt Asteroid          SPK-ID: 2085903
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156423505339408 5.4264e-08  
a 2.758846832529697 2.1699e-08 au
q 2.327298340290879 1.4515e-07 au
i 7.428208910402526 5.1516e-06 deg
node 240.1316028017865 4.6167e-05 deg
peri 265.6375219463727 4.9859e-05 deg
M 232.3911734333307 2.3338e-05 deg
tp 2459593.791362649240
(2022-Jan-14.29136265)
0.00011296 TDB
period 1673.746999327973
4.58
1.9747e-05
5.406e-08
d
yr
n .2150862705919973 2.5376e-09 deg/d
Q 3.190395324768515 2.5093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      7508 days (20.56 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58091  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:54:15  

Additional Information
 Earth MOID = 1.35363 au 
 Jupiter MOID = 1.91048 au 
 T_jup = 3.312 
[ 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 15.4   n/a MPO432402  
diameter diameter 6.154 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.027   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85903 (1999 CD70)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 CD70 = 2002 WF8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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