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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2288890470843851 6.5296e-08  
a 2.566118492886961 1.3515e-08 au
q 1.978762076344446 1.7318e-07 au
i 5.849600804045913 3.4634e-06 deg
node 131.4952998260902 4.9077e-05 deg
peri 268.0408622180587 4.9956e-05 deg
M 128.2707448821894 9.8975e-06 deg
tp 2458465.518699044484
(2018-Dec-13.01869904)		 3.859e-05 TDB
period 1501.459031214587
4.11		 1.1862e-05
3.248e-08		 d
yr
n .2397667818540359 1.8942e-09 deg/d
Q 3.153474909429476 1.6609e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1137  
   data-arc span      9245 days (25.31 yr)  
   first obs. used      1995-01-28  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:13:58  

Additional Information
 Earth MOID = .996933 au 
 Jupiter MOID = 2.29265 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457428.5 (2016-Feb-10.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268409112487439 6.494e-08  
q 1.9865763685858 1.719e-07 au
tp 2456962.408698743124
(2014-Oct-31.90869874)		 3.3992e-05 TDB
node 131.572319652471 4.9005e-05 deg
peri 268.0266471546695 4.9923e-05 deg
i 5.85044354317882 3.4652e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1137  
   data-arc span      9245 days (25.31 yr)  
   first obs. used      1995-01-28  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:13:58  

Additional Information
 Jupiter MOID = 2.29265 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.217160058521354E-15 -1.114791091221474E-14 -1.241106517848699E-12 -6.613685937574044E-14 -4.261862678437281E-13 -1.49835183897475E-14
q -1.114791091221474E-14 2.954941020207537E-14 3.297977130789682E-12 1.767359146625179E-13 1.133552759101084E-12 3.991294936952343E-14
tp -1.241106517848699E-12 3.297977130789682E-12 1.155453490903375E-9 2.199369215295018E-11 3.532320906704252E-10 4.444310568666055E-12
node -6.613685937574044E-14 1.767359146625179E-13 2.199369215295018E-11 2.401483097352577E-9 -2.38058943881973E-9 5.157977421671991E-11
peri -4.261862678437281E-13 1.133552759101084E-12 3.532320906704252E-10 -2.38058943881973E-9 2.492344923108491E-9 -4.956422419376023E-11
i -1.49835183897475E-14 3.991294936952343E-14 4.444310568666055E-12 5.157977421671991E-11 -4.956422419376023E-11 1.200752834992709E-11

[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1989-Apr-18 15:40 < 00:01 Eunom 0.0450024810973259 0.0449930827839694 0.0450118799399974 5.60658554897643 5.60658549334004 2447635.153083812 0.893036841482693 528.196490821719 38.6101148599626 27.6022898427943 81528.90686425 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:14:00 2020-Nov-12 23:14
2083-Nov-11 07:27 00:01 Eunom 0.0491126250725162 0.0490925441656045 0.0491327068029594 5.55400507795061 5.55400502648769 2482174.810714590 1.29463368485271 1049.91679011281 44.4985893008433 17.6047009400761 50350.8953910674 T 26 CATAB v2.0f-lin.ifort 2020-Nov-12 23:14:00 2020-Nov-12 23:14
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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