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20669 (1999 UO13)
Classification: Main-belt Asteroid          SPK-ID: 2020669
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02015402728824729 5.1345e-08  
a 3.039917436844775 1.6688e-08 au
q 2.978650857868586 1.5744e-07 au
i 6.592806395829356 5.4228e-06 deg
node 214.7217734203301 3.5786e-05 deg
peri 119.5532122318218 0.00012648 deg
M 71.13638302253653 0.00011849 deg
tp 2459013.956886517114
(2020-Jun-13.45688652)		 0.00063847 TDB
period 1935.936506783172
5.30		 1.5941e-05
4.364e-08		 d
yr
n .1859565118683515 1.5312e-09 deg/d
Q 3.101184015820963 1.7024e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1696  
   data-arc span      12729 days (34.85 yr)  
   first obs. used      1986-04-02  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4604  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:24:53  

Additional Information
 Earth MOID = 1.97562 au 
 Jupiter MOID = 1.96133 au 
 T_jup = 3.230 
[ 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 13.61   n/a E2021B10  
diameter diameter 7.271 km 1.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.146   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20669 (1999 UO13)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UO13 = 1978 UV2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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