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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2971576699628148 3.3214e-08  
a 3.226419632745308 2.306e-08 au
q 2.267664292356431 1.159e-07 au
i .4058302823421913 5.9214e-06 deg
node 22.982506428317 0.00051812 deg
peri 277.4082350907166 0.00051827 deg
M 324.8442688755745 9.3024e-06 deg
tp 2459207.215640731197
(2020-Dec-23.71564073)		 5.4912e-05 TDB
period 2116.799403199645
5.80		 2.2694e-05
6.213e-08		 d
yr
n .170068075159055 1.8233e-09 deg/d
Q 4.185174973134184 2.9913e-08 au
   Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      8882 days (24.32 yr)  
   first obs. used      1996-03-20  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:53:24  

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 15.42   n/a E2021B55  

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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