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90023 (2002 UP2)
Classification: Main-belt Asteroid          SPK-ID: 2090023
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03632360866884904 1.0077e-07  
a 2.569110798665846 1.6147e-08 au
q 2.475791423388193 2.6906e-07 au
i 22.16231129512956 5.5683e-06 deg
node 334.6814556019014 8.7787e-06 deg
peri 157.1697256332799 8.2132e-05 deg
M 15.30315601742443 7.4601e-05 deg
tp 2458936.563157651030
(2020-Mar-28.06315765)
0.00031193 TDB
period 1504.086034241646
4.12
1.418e-05
3.882e-08
d
yr
n .239348010555467 2.2565e-09 deg/d
Q 2.662430173943498 1.6734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1493  
   data-arc span      7830 days (21.44 yr)  
   first obs. used      1998-11-17  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:27:32  

Additional Information
 Earth MOID = 1.49216 au 
 Jupiter MOID = 2.34782 au 
 T_jup = 3.326 
[ 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 14.2   n/a MPO366261  
diameter diameter 3.391 km 0.835 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.386   0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90023 (2002 UP2)          Discovered 2002-Oct-28 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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