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JPL Small-Body Database Browser
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717 Wisibada (A911 QK)
Classification: Main-belt Asteroid          SPK-ID: 2000717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2632675713849374 3.5328e-08  
a 3.138719878292294 1.2143e-08 au
q 2.312396718676655 1.1206e-07 au
i 1.646285325040437 4.3506e-06 deg
node 343.5528091371572 0.00011559 deg
peri 24.40288059321404 0.00011577 deg
M 150.8195589078625 7.8169e-06 deg
tp 2458149.592347853407
(2018-Jan-31.09234785)
4.1457e-05 TDB
period 2031.081094461443
5.56
1.1787e-05
3.227e-08
d
yr
n .1772455078143774 1.0286e-09 deg/d
Q 3.965043037907933 1.534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3116  
   data-arc span      39695 days (108.68 yr)  
   first obs. used      1911-08-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44786  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:11:17  

Additional Information
 Earth MOID = 1.3116 au 
 Jupiter MOID = 1.50497 au 
 T_jup = 3.156 
[ 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 10.9   n/a MPO502159 IRAS observations used: 20
diameter diameter 27.656 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.086   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.701   0.061 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=1.46, mean=2.19, max.=2.92) deg.
U-B UB 0.242   0.073 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=1.46, mean=2.19, max.=2.92) deg.
Tholen spectral type spec_T DX:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

717 Wisibada (A911 QK)          Discovered 1911-Aug-26 by Kaiser, F. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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