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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02060948802560381 5.1563e-08  
a 3.040905167523459 1.7064e-08 au
q 2.978233668886387 1.5806e-07 au
i 6.591982528503265 5.4486e-06 deg
node 214.7304145460662 3.6341e-05 deg
peri 119.1290962585096 0.00012468 deg
M 357.8888776249979 0.00011673 deg
tp 2459011.858308224397
(2020-Jun-11.35830822)		 0.00062802 TDB
period 1936.880120830853
5.30		 1.6303e-05
4.464e-08		 d
yr
n .1858659171149801 1.5644e-09 deg/d
Q 3.10357666616053 1.7415e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1629  
   data-arc span      12644 days (34.62 yr)  
   first obs. used      1986-04-02  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:14:27  

Additional Information
 Earth MOID = 1.97592 au 
 Jupiter MOID = 1.96301 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 13.6   n/a MPO439238  
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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