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26992 (1997 WE47)
Classification: Main-belt Asteroid          SPK-ID: 2026992
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07602622739013667 4.0572e-08  
a 3.062593549247313 1.9713e-08 au
q 2.829756115668671 1.269e-07 au
i 11.78423709590078 4.3615e-06 deg
node 86.83630562746175 2.2103e-05 deg
peri 339.1843484800813 3.8028e-05 deg
M 104.3017295357868 2.9753e-05 deg
tp 2458633.319251742466
(2019-May-29.81925174)
0.00016207 TDB
period 1957.638385110907
5.36
1.8901e-05
5.175e-08
d
yr
n .1838950455497964 1.7755e-09 deg/d
Q 3.295430982825954 2.1212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1284  
   data-arc span      8519 days (23.32 yr)  
   first obs. used      1997-11-26  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50833  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:59:32  

Additional Information
 Earth MOID = 1.84685 au 
 Jupiter MOID = 1.96479 au 
 T_jup = 3.197 
[ 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 13.96   n/a E2021B10  

26992 (1997 WE47)          Discovered 1997-Nov-26 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WE47 = 1999 CP52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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