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120658 (1996 UQ2)
Classification: Main-belt Asteroid          SPK-ID: 2120658
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329613128138252 5.464e-08  
a 2.287530199695611 1.2204e-08 au
q 1.98337718124281 1.2279e-07 au
i 8.930016193689351 5.3266e-06 deg
node 217.8032146906308 4.0414e-05 deg
peri 275.151845135846 4.5786e-05 deg
M 215.8666817596396 2.1927e-05 deg
tp 2459506.453454636353
(2021-Oct-18.95345464)		 7.8412e-05 TDB
period 1263.713663799374
3.46		 1.0113e-05
2.769e-08		 d
yr
n .2848746597529496 2.2797e-09 deg/d
Q 2.591683218148411 1.3827e-08 au
   Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      8693 days (23.80 yr)  
   first obs. used      1996-10-10  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:10:21  

Additional Information
 Earth MOID = 1.02067 au 
 Jupiter MOID = 2.4996 au 
 T_jup = 3.573 
[ 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 16.7   n/a MPO436582  

120658 (1996 UQ2)          Discovered 1996-Oct-17 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1996 UQ2 = 2001 DS91 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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