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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604401520318808 8.3163e-09  
a 2.618156599746805 8.3822e-09 au
q 2.198099156840155 2.0634e-08 au
i 4.028424481333355 5.6997e-07 deg
node 141.5271006383309 9.5088e-06 deg
peri 246.2221406670869 1.1495e-05 deg
M 105.717958687916 5.6379e-06 deg
tp 2458746.100207909765
(2019-Sep-19.60020791)
2.3591e-05 TDB
period 1547.361746128598
4.24
7.431e-06
2.034e-08
d
yr
n .2326540648304751 1.1173e-09 deg/d
Q 3.038214042653454 9.7271e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2507  
   data-arc span      14364 days (39.33 yr)  
   first obs. used      1981-11-25  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .444  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:26:07  

Additional Information
 Earth MOID = 1.20505 au 
 Jupiter MOID = 2.41544 au 
 T_jup = 3.384 
[ 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 13.30   n/a E2021B10  
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

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