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120976 (1998 WL25)
Classification: Outer Main-belt Asteroid          SPK-ID: 2120976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .297157669636688 3.3279e-08  
a 3.226419632384537 2.3166e-08 au
q 2.267664293155088 1.1601e-07 au
i .4058302905319876 6.0283e-06 deg
node 22.98250606747589 0.0005198 deg
peri 277.4082353037259 0.00051994 deg
M 324.8442690830921 9.3725e-06 deg
tp 2459207.215639476323
(2020-Dec-23.71563948)
5.5348e-05 TDB
period 2116.799402844601
5.80
2.2798e-05
6.242e-08
d
yr
n .17006807518758 1.8316e-09 deg/d
Q 4.185174971613985 3.005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      8855 days (24.24 yr)  
   first obs. used      1996-03-20  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51574  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:58:06  

Additional Information
 Earth MOID = 1.25214 au 
 Jupiter MOID = 1.06952 au 
 T_jup = 3.116 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO432709  

120976 (1998 WL25)          Discovered 1998-Nov-16 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 WL25 = 2003 NY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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