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85815 (1998 WX41)
Classification: Main-belt Asteroid          SPK-ID: 2085815
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1880167045405636 5.588e-08  
a 2.437999815642366 1.1643e-08 au
q 1.979615124634787 1.3484e-07 au
i 2.214524772993772 5.8051e-06 deg
node 52.52917818467498 0.00010332 deg
peri 332.1566882376503 0.00010394 deg
M 261.3302314862379 1.0314e-05 deg
tp 2459381.592619564234
(2021-Jun-16.09261956)
4.0556e-05 TDB
period 1390.429359566086
3.81
9.9603e-06
2.727e-08
d
yr
n .2589128297120725 1.8547e-09 deg/d
Q 2.896384506649945 1.3832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      8964 days (24.54 yr)  
   first obs. used      1994-10-09  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52256  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:18:12  

Additional Information
 Earth MOID = .983815 au 
 Jupiter MOID = 2.5559 au 
 T_jup = 3.478 
[ 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 16.1   n/a MPO468828  

85815 (1998 WX41)          Discovered 1998-Nov-24 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 WX41 = 2003 AF29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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