Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603175375335668 3.892e-08  
a 2.618127953167903 9.2654e-09 au
q 2.198396126768227 1.0071e-07 au
i 4.028160724233326 3.4192e-06 deg
node 141.5283453293446 5.7216e-05 deg
peri 246.2249427680362 5.8301e-05 deg
M 59.19703914169227 1.0232e-05 deg
tp 2458746.061859706808
(2019-Sep-19.56185971)
4.4057e-05 TDB
period 1547.336350493877
4.24
8.2139e-06
2.249e-08
d
yr
n .2326578832618361 1.235e-09 deg/d
Q 3.037859779567579 1.0751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2191  
   data-arc span      14031 days (38.41 yr)  
   first obs. used      1981-11-25  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4592  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:24:24  

Additional Information
 Earth MOID = 1.20659 au 
 Jupiter MOID = 2.41464 au 
 T_jup = 3.384 
[ 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 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

[ show close-approach data ]
Alternate Designations
 1991 AD2 = 1981 WT7 = 1985 UP6 = 1989 TX13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 23:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin