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49532 (1999 CJ54)
Classification: Outer Main-belt Asteroid          SPK-ID: 2049532
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04943433821900795 3.5588e-08  
a 3.237057697338219 2.3859e-08 au
q 3.077035892293559 1.214e-07 au
i 8.556099315758777 4.3873e-06 deg
node 155.0181077045398 2.6798e-05 deg
peri 276.4404914652281 5.4491e-05 deg
M 315.2294960533254 4.5737e-05 deg
tp 2459265.053535322159
(2021-Feb-19.55353532)
0.0002697 TDB
period 2127.277209776667
5.82
2.3519e-05
6.439e-08
d
yr
n .1692304126352177 1.871e-09 deg/d
Q 3.397079502382879 2.5038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1217  
   data-arc span      8785 days (24.05 yr)  
   first obs. used      1996-10-07  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:32:10  

Additional Information
 Earth MOID = 2.1075 au 
 Jupiter MOID = 1.75686 au 
 T_jup = 3.165 
[ 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 13.7   n/a MPO502486  
diameter diameter 8.795 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49532 (1999 CJ54)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CJ54 = 1996 TL41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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