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172147 (2002 KU5)
Classification: Main-belt Asteroid          SPK-ID: 2172147
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904740887428692 3.0236e-08  
a 2.559453984167508 1.6012e-08 au
q 2.071944318853896 7.529e-08 au
i 12.3507317860673 8.3529e-06 deg
node 251.2551451797024 1.7297e-05 deg
peri 69.99802961277145 3.0379e-05 deg
M 110.86187423145 2.4311e-05 deg
tp 2458539.926303743767
(2019-Feb-25.42630374)
9.9865e-05 TDB
period 1495.613634549278
4.09
1.4035e-05
3.843e-08
d
yr
n .2407038767793063 2.2587e-09 deg/d
Q 3.04696364948112 1.9062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      7329 days (20.07 yr)  
   first obs. used      2000-01-05  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:44:27  

Additional Information
 Earth MOID = 1.09627 au 
 Jupiter MOID = 2.33059 au 
 T_jup = 3.378 
[ 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 15.1   n/a MPO449894  
diameter diameter 3.066 km 0.421 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172147 (2002 KU5)          Discovered 2002-May-16 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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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
2109-Nov-11 21:55 00:02 Amphi 0.0305733665646663 0.0305565643621102 0.0305902117515267 6.49797694608428 6.49797691714741 2491671.412884196 1.85297054134623 1996.91076703539 61.3802330879763 65.2224219318417 67646.8059930549 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 16:44:41 2020-Feb-24 16:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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