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5688 Kleewyck (1991 AD2)
Classification: Main-belt Asteroid          SPK-ID: 2005688
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603175388934197 3.8895e-08  
a 2.618127952638158 9.2568e-09 au
q 2.19839612276314 1.0063e-07 au
i 4.028160810552025 3.4186e-06 deg
node 141.5283488970129 5.7094e-05 deg
peri 246.2249395908236 5.8179e-05 deg
M 59.19703904817468 1.0225e-05 deg
tp 2458746.061860185984
(2019-Sep-19.56186019)
4.4027e-05 TDB
period 1547.336350024251
4.24
8.2063e-06
2.247e-08
d
yr
n .2326578833324492 1.2339e-09 deg/d
Q 3.037859782513175 1.0741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2218  
   data-arc span      14219 days (38.93 yr)  
   first obs. used      1981-11-25  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:41:33  

Additional Information
 Earth MOID = 1.20659 au 
 Jupiter MOID = 2.41464 au 
 T_jup = 3.384 
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Orbital Elements at Epoch 2456644.5 (2013-Dec-18.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160472768737826 3.9051e-08  
q 2.197869067944813 1.0103e-07 au
tp 2457193.327630350565
(2015-Jun-19.82763035)
4.518e-05 TDB
node 141.6805962731449 5.6999e-05 deg
peri 245.0554898814462 5.8089e-05 deg
i 4.030629874203126 3.4233e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2218  
   data-arc span      14219 days (38.93 yr)  
   first obs. used      1981-11-25  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:41:33  

Additional Information
 Jupiter MOID = 2.41464 au 
 T_jup = 3.384 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.524952883344942E-15 -3.934398628926741E-15 -3.773226336107481E-14 -5.698888450241642E-15 -5.053372011965891E-14 -1.629848258431941E-15
q -3.934398628926741E-15 1.020725684472348E-14 2.557942542101249E-14 1.530965236394138E-14 1.081621618670584E-13 4.291566756002331E-15
tp -3.773226336107481E-14 2.557942542101249E-14 2.041203300929626E-9 -3.075932975487359E-12 5.224948037083079E-10 -7.987162492976626E-13
node -5.698888450241642E-15 1.530965236394138E-14 -3.075932975487359E-12 3.248902409536379E-9 -3.241174070544154E-9 2.313650468697477E-11
peri -5.053372011965891E-14 1.081621618670584E-13 5.224948037083079E-10 -3.241174070544154E-9 3.374275113655279E-9 -2.323291083501292E-11
i -1.629848258431941E-15 4.291566756002331E-15 -7.987162492976626E-13 2.313650468697477E-11 -2.323291083501292E-11 1.171883873140454E-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 13.2   n/a MPO452247  
diameter diameter 8.091 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.170   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

5688 Kleewyck (1991 AD2)          Discovered 1991-Jan-12 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1991 AD2 = 1981 WT7 = 1985 UP6 = 1989 TX13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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