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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603175388086057 3.8874e-08  
a 2.618127952615486 9.2479e-09 au
q 2.198396122966158 1.0056e-07 au
i 4.028160805918867 3.4185e-06 deg
node 141.5283481996724 5.6966e-05 deg
peri 246.2249402349212 5.8051e-05 deg
M 59.19703908959487 1.0217e-05 deg
tp 2458746.061860011259
(2019-Sep-19.56186001)
4.3992e-05 TDB
period 1547.336350004153
4.24
8.1984e-06
2.245e-08
d
yr
n .2326578833354712 1.2327e-09 deg/d
Q 3.037859782264815 1.0731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2230  
   data-arc span      14236 days (38.98 yr)  
   first obs. used      1981-11-25  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:23:31  

Additional Information
 Earth MOID = 1.20659 au 
 Jupiter MOID = 2.41464 au 
 T_jup = 3.384 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456656.5 (2013-Dec-30.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604607548060434 3.9031e-08  
q 2.197917303686964 1.0097e-07 au
tp 2457193.335373052067
(2015-Jun-19.83537305)
4.5134e-05 TDB
node 141.6801244111609 5.6871e-05 deg
peri 245.0553819418531 5.796e-05 deg
i 4.030639128921743 3.4232e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2230  
   data-arc span      14236 days (38.98 yr)  
   first obs. used      1981-11-25  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:23:31  

Additional Information
 Jupiter MOID = 2.41464 au 
 T_jup = 3.384 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.523421433736233E-15 -3.929978571240237E-15 -4.031814110469102E-14 -5.568898150060794E-15 -5.14359357826124E-14 -1.62591534364221E-15
q -3.929978571240237E-15 1.019451617625282E-14 3.294870091716567E-14 1.495289149148275E-14 1.107176318557816E-13 4.28052188978518E-15
tp -4.031814110469102E-14 3.294870091716567E-14 2.037076036964035E-9 -3.089759638039027E-12 5.212578193408293E-10 -7.937439866156204E-13
node -5.568898150060794E-15 1.495289149148275E-14 -3.089759638039027E-12 3.234286768970358E-9 -3.226597699909333E-9 2.30363776012483E-11
peri -5.14359357826124E-14 1.107176318557816E-13 5.212578193408293E-10 -3.226597699909333E-9 3.359360804375123E-9 -2.313151744781299E-11
i -1.62591534364221E-15 4.28052188978518E-15 -7.937439866156204E-13 2.30363776012483E-11 -2.313151744781299E-11 1.171819267502163E-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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1985-Jan-04 11:05 < 00:01 Eunom 0.0291127780051722 0.029111372217718 0.0291141840495518 5.07470036085171 5.07470026583504 2446069.961980933 0.472632487092212 161.448374452315 24.4705507015697 65.7076292034232 162489.33609244 T 32 CATAB v2.0f-lin.ifort 2020-Dec-18 02:23:36 2020-Dec-18 02:23
2053-May-03 21:20 < 00:01 Juno 0.0439371683712983 0.0439322842109213 0.0439420531873523 4.63075233752974 4.63075227773508 2471026.388683842 0.335192439239584 362.904717801804 27.1937860179047 48.0538657056359 180047.020186631 T 32 CATAB v2.0f-lin.ifort 2020-Dec-18 02:23:36 2020-Dec-18 02:23

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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