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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02232544149844358 5.5744e-08  
a 3.045340520123489 2.3334e-08 au
q 2.977351948498632 1.6717e-07 au
i 6.596033848585908 6.7859e-06 deg
node 214.8332822678393 3.9028e-05 deg
peri 117.9992965821598 0.00013679 deg
M 284.7466617105575 0.00013226 deg
tp 2459006.265845154645
(2020-Jun-05.76584515)
0.00071395 TDB
period 1941.119258973335
5.31
2.231e-05
6.108e-08
d
yr
n .1854600114525705 2.1315e-09 deg/d
Q 3.113329091748345 2.3855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1196  
   data-arc span      11762 days (32.20 yr)  
   first obs. used      1986-04-02  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50013  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:43:53  

Additional Information
 Earth MOID = 1.97409 au 
 Jupiter MOID = 1.96116 au 
 T_jup = 3.228 
[ 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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