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98557 (2000 WT7)
Classification: Main-belt Asteroid          SPK-ID: 2098557
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0938878340775566 3.5373e-08  
a 2.324028815179137 1.017e-08 au
q 2.105830783388138 8.1774e-08 au
i 6.047459103308189 3.9307e-06 deg
node 130.2372346927813 3.4499e-05 deg
peri 325.599303241149 4.0381e-05 deg
M 209.3997500296613 2.1656e-05 deg
tp 2459741.857155521869
(2022-Jun-11.35715552)
7.9511e-05 TDB
period 1294.078701902931
3.54
8.4948e-06
2.326e-08
d
yr
n .2781901900329735 1.8261e-09 deg/d
Q 2.542226846970136 1.1125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      683  
   data-arc span      8280 days (22.67 yr)  
   first obs. used      1998-01-08  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:22:49  

Additional Information
 Earth MOID = 1.12552 au 
 Jupiter MOID = 2.57357 au 
 T_jup = 3.562 
[ 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 16.25   n/a E2021B10  

98557 (2000 WT7)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 2000 WT7 = 1998 AA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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