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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331107637184729 4.7739e-08  
a 2.287390008887539 1.0606e-08 au
q 1.982913777882514 1.0946e-07 au
i 8.93035901132107 5.278e-06 deg
node 217.801266530082 3.4672e-05 deg
peri 275.1517610271458 4.0535e-05 deg
M 272.8616815741687 2.2042e-05 deg
tp 2459506.354891564574
(2021-Oct-18.85489156)
7.8228e-05 TDB
period 1263.597495939354
3.46
8.7884e-06
2.406e-08
d
yr
n .2849008494848094 1.9815e-09 deg/d
Q 2.591866239892564 1.2018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      8823 days (24.16 yr)  
   first obs. used      1996-10-10  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:25:37  

Additional Information
 Earth MOID = 1.02014 au 
 Jupiter MOID = 2.49871 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 16.77   n/a E2021B55  

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

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