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85543 (1997 WP46)
Classification: Main-belt Asteroid          SPK-ID: 2085543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2077899362188008 3.1043e-08  
a 2.679229252694201 1.0373e-08 au
q 2.122512377161328 8.2366e-08 au
i .3984009612518282 3.7602e-06 deg
node 277.6163659732649 0.00062257 deg
peri 129.6617768631414 0.00062267 deg
M 146.7445871966419 1.1116e-05 deg
tp 2458743.560666664359
(2019-Sep-17.06066666)
4.8315e-05 TDB
period 1601.818264586797
4.39
9.3026e-06
2.547e-08
d
yr
n .224744596786618 1.3052e-09 deg/d
Q 3.235946128227075 1.2529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      10009 days (27.40 yr)  
   first obs. used      1993-12-17  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55864  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:26:25  

Additional Information
 Earth MOID = 1.13187 au 
 Jupiter MOID = 2.15985 au 
 T_jup = 3.346 
[ 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 15.76   n/a E2021B10  

85543 (1997 WP46)          Discovered 1997-Nov-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 WP46 = 2001 QY211 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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