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20825 (2000 UN11)
Classification: Main-belt Asteroid          SPK-ID: 2020825
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 .2125095700106214 3.3516e-08  
a 3.113175259099034 1.5633e-08 au
q 2.451595723420193 1.0341e-07 au
i 12.59771064241072 4.6862e-06 deg
node 307.4255731834934 1.7447e-05 deg
peri 136.4629426921377 2.1093e-05 deg
M 182.6680750261769 1.2001e-05 deg
tp 2459988.798668203249
(2023-Feb-13.29866820)
7.1663e-05 TDB
period 2006.336538701023
5.49
1.5113e-05
4.138e-08
d
yr
n .1794315126379931 1.3516e-09 deg/d
Q 3.774754794777874 1.8956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1726  
   data-arc span      14811 days (40.55 yr)  
   first obs. used      1980-01-24  
   last obs. used      2020-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4586  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:00:28  

Additional Information
 Earth MOID = 1.48492 au 
 Jupiter MOID = 1.5107 au 
 T_jup = 3.147 
[ 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 13.0   n/a MPO395203  
diameter diameter 14.921 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20825 (2000 UN11)          Discovered 2000-Oct-26 by Juels, C. W. at Fountain Hills
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 UN11 = 1980 BZ2 = 1983 RT7 = 1989 TC18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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