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79920 (1999 CU28)
Classification: Main-belt Asteroid          SPK-ID: 2079920
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .236048736656215 3.6306e-08  
a 2.712634433523918 1.2754e-08 au
q 2.07232050248045 9.7384e-08 au
i 8.148121812949066 5.3613e-06 deg
node 333.6618417999782 2.4489e-05 deg
peri 137.8235247113884 2.6655e-05 deg
M 294.2448614243086 1.1386e-05 deg
tp 2459298.566061377986
(2021-Mar-25.06606138)
5.2777e-05 TDB
period 1631.869150006529
4.47
1.1509e-05
3.151e-08
d
yr
n .22060592296788 1.5559e-09 deg/d
Q 3.352948364567386 1.5765e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1141  
   data-arc span      7926 days (21.70 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:37:10  

Additional Information
 Earth MOID = 1.09681 au 
 Jupiter MOID = 1.78853 au 
 T_jup = 3.307 
[ 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 14.3   n/a MPO417376  
diameter diameter 6.232 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.114   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79920 (1999 CU28)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 CU28 = 2001 QV42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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