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53243 (1999 CW140)
Classification: Main-belt Asteroid          SPK-ID: 2053243
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 .228889046236697 6.582e-08  
a 2.566118493147411 1.3641e-08 au
q 1.97876207872055 1.7466e-07 au
i 5.849600557231299 3.4755e-06 deg
node 131.4953053574202 4.9439e-05 deg
peri 268.040856534397 5.0325e-05 deg
M 128.270744927931 9.9e-06 deg
tp 2458465.518698772262
(2018-Dec-13.01869877)
3.8593e-05 TDB
period 1501.459031443175
4.11
1.1972e-05
3.278e-08
d
yr
n .2397667818175329 1.9119e-09 deg/d
Q 3.153474907574272 1.6764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1125  
   data-arc span      9222 days (25.25 yr)  
   first obs. used      1995-01-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:31:26  

Additional Information
 Earth MOID = .996933 au 
 Jupiter MOID = 2.29265 au 
 T_jup = 3.388 
[ 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 14.9   n/a MPO417187  
diameter diameter 3.462 km 0.904 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.177   0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

53243 (1999 CW140)          Discovered 1999-Feb-09 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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