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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2288890486451043 7.2847e-08  
a 2.566118492778274 1.5212e-08 au
q 1.978762072255646 1.9437e-07 au
i 5.849600401292941 3.5326e-06 deg
node 131.4953160090854 5.3484e-05 deg
peri 268.0408460621402 5.438e-05 deg
M 128.270744932944 9.9594e-06 deg
tp 2458465.518698866790
(2018-Dec-13.01869887)
3.8673e-05 TDB
period 1501.459031119196
4.11
1.3351e-05
3.655e-08
d
yr
n .2397667818692689 2.1321e-09 deg/d
Q 3.153474913300902 1.8694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      9134 days (25.01 yr)  
   first obs. used      1995-01-28  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4889  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:44:31  

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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