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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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2632675715942526 3.527e-08  
a 3.138719878211144 1.2086e-08 au
q 2.312396717959888 1.1182e-07 au
i 1.646285292640306 4.3502e-06 deg
node 343.5528134006377 0.000113 deg
peri 24.40287633405059 0.00011318 deg
M 150.8195589256601 7.8077e-06 deg
tp 2458149.592347785994
(2018-Jan-31.09234779)
4.1374e-05 TDB
period 2031.081094382674
5.56
1.1731e-05
3.212e-08
d
yr
n .1772455078212513 1.0237e-09 deg/d
Q 3.9650430384624 1.5267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3260  
   data-arc span      39744 days (108.81 yr)  
   first obs. used      1911-08-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44226  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:19:11  

Additional Information
 Earth MOID = 1.3116 au 
 Jupiter MOID = 1.50497 au 
 T_jup = 3.156 
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Orbital Elements at Epoch 2456323.5 (2013-Jan-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2590380870988668 3.5356e-08  
q 2.332434955185427 1.1183e-07 au
tp 2456118.335792781751
(2012-Jul-09.83579278)
3.7965e-05 TDB
node 343.7907212446997 0.00011331 deg
peri 24.89328759625808 0.00011349 deg
i 1.642518665681372 4.337e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3260  
   data-arc span      39744 days (108.81 yr)  
   first obs. used      1911-08-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44226  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:19:11  

Additional Information
 Jupiter MOID = 1.50497 au 
 T_jup = 3.156 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.250018519337131E-15 -3.941343541901892E-15 -1.69333758790741E-13 -5.122260890413789E-17 -5.12287505402266E-14 4.877683649305893E-17
q -3.941343541901892E-15 1.250624971103312E-14 5.7815872186022E-13 -5.505802964544746E-15 1.729926734447729E-13 -1.441142271398507E-16
tp -1.69333758790741E-13 5.7815872186022E-13 1.441334665986292E-9 -6.847480777319614E-12 2.571190349510598E-10 -2.059288596989187E-13
node -5.122260890413789E-17 -5.505802964544746E-15 -6.847480777319614E-12 1.28380591144222E-8 -1.283399989118985E-8 2.666456703601944E-11
peri -5.12287505402266E-14 1.729926734447729E-13 2.571190349510598E-10 -1.283399989118985E-8 1.28809297896484E-8 -2.66911663443161E-11
i 4.877683649305893E-17 -1.441142271398507E-16 -2.059288596989187E-13 2.666456703601944E-11 -2.66911663443161E-11 1.880956987645993E-11

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

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