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117500 (2005 CY21)
Classification: Main-belt Asteroid          SPK-ID: 2117500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02936965198125694 4.0056e-08  
a 2.743833698949714 1.9069e-08 au
q 2.663248258117116 1.1255e-07 au
i 7.904466061586863 4.5132e-06 deg
node 123.9240683083394 3.2491e-05 deg
peri 299.4294515397029 8.7029e-05 deg
M 202.219273528258 8.0719e-05 deg
tp 2459728.089722699603
(2022-May-28.58972270)
0.00037295 TDB
period 1660.103271350879
4.55
1.7306e-05
4.738e-08
d
yr
n .2168539790341215 2.2606e-09 deg/d
Q 2.824419139782312 1.9629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      7068 days (19.35 yr)  
   first obs. used      1999-12-06  
   last obs. used      2019-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59822  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 00:39:46  

Additional Information
 Earth MOID = 1.68785 au 
 Jupiter MOID = 2.27 au 
 T_jup = 3.334 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO436564  
diameter diameter 5.545 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117500 (2005 CY21)          Discovered 2005-Feb-03 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 CY21 = 2000 AW80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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