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115975 (2003 WJ55)
Classification: Main-belt Asteroid          SPK-ID: 2115975
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 .1232833007126552 3.8698e-08  
a 2.280735038075154 8.6477e-09 au
q 1.999558494530245 8.6583e-08 au
i 5.704924371650014 4.4463e-06 deg
node 32.18678824842858 3.5293e-05 deg
peri 205.8411194771939 3.8956e-05 deg
M 170.1260794626478 1.8057e-05 deg
tp 2458605.962747626946
(2019-May-02.46274763)
6.169e-05 TDB
period 1258.087011293831
3.44
7.1553e-06
1.959e-08
d
yr
n .2861487295936486 1.6275e-09 deg/d
Q 2.561911581620062 9.7138e-09 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      8346 days (22.85 yr)  
   first obs. used      1998-03-02  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:46:01  

Additional Information
 Earth MOID = .988306 au 
 Jupiter MOID = 2.43661 au 
 T_jup = 3.589 
[ 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 16.16   n/a MPCxxxxx  

115975 (2003 WJ55)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 WJ55 = 1998 EE22 = 1998 FN130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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