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120978 (1998 WU35)
Classification: Main-belt Asteroid          SPK-ID: 2120978
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463300413476648 6.5952e-08  
a 2.333165909754079 1.0982e-08 au
q 1.991753645708803 1.5816e-07 au
i 6.755664394118401 5.6782e-06 deg
node 42.76645021440874 4.9459e-05 deg
peri 285.9458118663474 5.7151e-05 deg
M 79.77905685600265 2.2568e-05 deg
tp 2458712.028271177575
(2019-Aug-16.52827118)		 8.2223e-05 TDB
period 1301.717850130981
3.56		 9.1909e-06
2.516e-08		 d
yr
n .2765576272644462 1.9527e-09 deg/d
Q 2.674578173799355 1.2589e-08 au
   Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1998-11-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:16:09  

Additional Information
 Earth MOID = .993826 au 
 Jupiter MOID = 2.67222 au 
 T_jup = 3.546 
[ 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 16.9   n/a MPO493691  

120978 (1998 WU35)          Discovered 1998-Nov-19 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 WU35 = 2001 ON26 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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