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100653 (1997 WD12)
Classification: Main-belt Asteroid          SPK-ID: 2100653
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1822704233342232 4.4149e-08  
a 2.597723018721678 1.0676e-08 au
q 2.124234944394221 1.1244e-07 au
i 3.783147309160097 4.8453e-06 deg
node 207.2111509618186 6.0406e-05 deg
peri 198.6211057581252 6.1385e-05 deg
M 189.0289473907669 1.169e-05 deg
tp 2459926.786172181939
(2022-Dec-13.28617218)
5.148e-05 TDB
period 1529.282401875894
4.19
9.4276e-06
2.581e-08
d
yr
n .2354045266972314 1.4512e-09 deg/d
Q 3.071211093049134 1.2622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      8212 days (22.48 yr)  
   first obs. used      1997-11-22  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56276  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:59  

Additional Information
 Earth MOID = 1.13308 au 
 Jupiter MOID = 2.32327 au 
 T_jup = 3.389 
[ 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 16.15   n/a E2021B55  

100653 (1997 WD12)          Discovered 1997-Nov-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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