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442470 (2011 UX298)
Classification: Main-belt Asteroid          SPK-ID: 2442470
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02948921488420821 9.3047e-08  
a 3.092477254098078 5.1743e-08 au
q 3.001282527827454 2.9614e-07 au
i 11.70542061931708 9.4971e-06 deg
node 55.67449159026966 3.6763e-05 deg
peri 146.5054536673431 0.00011656 deg
M 59.30962973581743 0.00011037 deg
tp 2458673.249054612198
(2019-Jul-08.74905461)
0.00060802 TDB
period 1986.361082751162
5.44
4.9854e-05
1.365e-07
d
yr
n .1812359309322506 4.5486e-09 deg/d
Q 3.183671980368703 5.3269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      6344 days (17.37 yr)  
   first obs. used      2002-01-14  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53911  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:16  

Additional Information
 Earth MOID = 1.99992 au 
 Jupiter MOID = 1.80161 au 
 T_jup = 3.192 
[ 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 16.2   n/a MPO434643  

442470 (2011 UX298)          Discovered 2011-Oct-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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