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JPL Small-Body Database Browser
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49587 (1999 CL145)
Classification: Main-belt Asteroid          SPK-ID: 2049587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09133552854200286 4.4092e-08  
a 3.162961382059099 2.2564e-08 au
q 2.874070632470787 1.4768e-07 au
i 1.758098309198116 4.8126e-06 deg
node 313.9228086010974 0.00017554 deg
peri 114.0837951671448 0.00017843 deg
M 294.3664448076187 3.0748e-05 deg
tp 2458975.095615441606
(2020-May-05.59561544)
0.00017607 TDB
period 2054.656664014327
5.63
2.1987e-05
6.02e-08
d
yr
n .1752117549881267 1.8749e-09 deg/d
Q 3.45185213164741 2.4625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      10240 days (28.04 yr)  
   first obs. used      1991-11-12  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51932  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:21:36  

Additional Information
 Earth MOID = 1.88842 au 
 Jupiter MOID = 1.79633 au 
 T_jup = 3.197 
[ 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 14.8   n/a MPO272871  
diameter diameter 6.751 km 0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49587 (1999 CL145)          Discovered 1999-Feb-08 by Spacewatch at Kitt Peak
Reference: 20021120/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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