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46795 (1998 JW4)
Classification: Main-belt Asteroid          SPK-ID: 2046795
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2227633254778307 3.5779e-08  
a 2.328178454500453 8.2606e-09 au
q 1.809545679670095 8.3129e-08 au
i 5.385419423980001 5.8661e-06 deg
node 17.37404396845972 3.7203e-05 deg
peri 226.9123170590882 3.9413e-05 deg
M 120.5622032248421 1.4974e-05 deg
tp 2458765.958258218751
(2019-Oct-09.45825822)
5.2606e-05 TDB
period 1297.546186589726
3.55
6.9057e-06
1.891e-08
d
yr
n .2774467712368447 1.4766e-09 deg/d
Q 2.84681122933081 1.0101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      9265 days (25.37 yr)  
   first obs. used      1995-08-25  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:27  

Additional Information
 Earth MOID = .800528 au 
 Jupiter MOID = 2.19204 au 
 T_jup = 3.533 
[ 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 15.92   n/a MPCxxxxx  

46795 (1998 JW4)          Discovered 1998-May-01 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 JW4 = 1999 TX246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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