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49578 (1999 CD124)
Classification: Main-belt Asteroid          SPK-ID: 2049578
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06343315565608734 3.6143e-08  
a 2.667997498079719 1.3134e-08 au
q 2.498757997493977 9.7608e-08 au
i 14.54881245727592 6.084e-06 deg
node 22.66088669451128 1.4645e-05 deg
peri 106.1736351372326 4.9163e-05 deg
M 328.3116577009479 4.6601e-05 deg
tp 2459140.611432644358
(2020-Oct-18.11143264)
0.00020615 TDB
period 1591.756213561147
4.36
1.1754e-05
3.218e-08
d
yr
n .2261652864508643 1.67e-09 deg/d
Q 2.837236998665462 1.3967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1498  
   data-arc span      8401 days (23.00 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:31:56  

Additional Information
 Earth MOID = 1.55228 au 
 Jupiter MOID = 2.20949 au 
 T_jup = 3.334 
[ 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 14.1   n/a MPO502486  
diameter diameter 4.225 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49578 (1999 CD124)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CD124 = 2001 QW284 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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