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66813 (1999 UQ11)
Classification: Main-belt Asteroid          SPK-ID: 2066813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1462098227531101 2.0251e-08  
a 2.76907457269346 1.245e-08 au
q 2.364208670229806 5.6938e-08 au
i 13.18211658824198 8.7376e-07 deg
node 346.2093502161115 1.8255e-06 deg
peri 140.3066274206138 4.6635e-06 deg
M 142.0442379728612 6.0491e-06 deg
tp 2458536.418281228496
(2019-Feb-21.91828123)
2.5261e-05 TDB
period 1683.063122936515
4.61
1.1351e-05
3.108e-08
d
yr
n .2138957208995775 1.4426e-09 deg/d
Q 3.173940475157115 1.4271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1863  
   data-arc span      8054 days (22.05 yr)  
   first obs. used      1998-07-31  
   last obs. used      2020-08-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43335  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:05  

Additional Information
 Earth MOID = 1.39326 au 
 Jupiter MOID = 1.89233 au 
 T_jup = 3.284 
[ 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 13.36   n/a E2021B10  
diameter diameter 5.352 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.355   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66813 (1999 UQ11)          Discovered 1999-Oct-31 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UQ11 = 2000 YW68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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