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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .23626094732079 3.2682e-08  
a 2.713578123572987 1.025e-08 au
q 2.072465585468662 9.0063e-08 au
i 8.148174468569751 4.3966e-06 deg
node 333.6582539246542 2.4009e-05 deg
peri 137.7716660207313 2.5623e-05 deg
M 21.62897336487977 8.3409e-06 deg
tp 2459298.405349091130
(2021-Mar-24.90534909)
3.768e-05 TDB
period 1632.720782972286
4.47
9.251e-06
2.533e-08
d
yr
n .2204908541340658 1.2493e-09 deg/d
Q 3.354690661677313 1.2672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1566  
   data-arc span      8229 days (22.53 yr)  
   first obs. used      1998-11-18  
   last obs. used      2021-05-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:46:40  

Additional Information
 Earth MOID = 1.09736 au 
 Jupiter MOID = 1.78697 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 14.31   n/a MPCxxxxx  
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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