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JPL Small-Body Database Browser
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20824 (2000 UX9)
Classification: Main-belt Asteroid          SPK-ID: 2020824
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2414561937594055 4.0018e-08  
a 2.296544240804547 9.9732e-09 au
q 1.742029409619797 9.4062e-08 au
i 2.630152901462665 4.1647e-06 deg
node 216.1592147711392 0.00010447 deg
peri 125.8014010527824 0.00010484 deg
M 157.5003236043676 9.3569e-06 deg
tp 2458044.352997631545
(2017-Oct-17.85299763)
3.2655e-05 TDB
period 1271.190536443391
3.48
8.2806e-06
2.267e-08
d
yr
n .2831990875319356 1.8448e-09 deg/d
Q 2.851059071989297 1.2381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      24675 days (67.56 yr)  
   first obs. used      1951-09-04  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57273  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:45:44  

Additional Information
 Earth MOID = .734722 au 
 Jupiter MOID = 2.56186 au 
 T_jup = 3.554 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO324501  
diameter diameter 2.051 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.220   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20824 (2000 UX9)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 UX9 = 1951 RP = 1998 BX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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