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118272 (1998 KU10)
Classification: Main-belt Asteroid          SPK-ID: 2118272
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1065237518991087 5.5752e-08  
a 3.108880130312051 2.7782e-08 au
q 2.777710554626622 1.8695e-07 au
i 10.95298006263998 3.8271e-06 deg
node 131.8984959461057 3.5992e-05 deg
peri 213.9008140435687 4.616e-05 deg
M 263.3446605484467 3.083e-05 deg
tp 2459538.060986537848
(2021-Nov-19.56098654)
0.00017288 TDB
period 2002.185872521037
5.48
2.6838e-05
7.348e-08
d
yr
n .1798034862501096 2.4102e-09 deg/d
Q 3.440049705997481 3.0741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      8144 days (22.30 yr)  
   first obs. used      1998-05-22  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:12:40  

Additional Information
 Earth MOID = 1.77677 au 
 Jupiter MOID = 1.94868 au 
 T_jup = 3.183 
[ 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 15.0   n/a MPO299668  
diameter diameter 3.826 km 1.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.132   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118272 (1998 KU10)          Discovered 1998-May-22 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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Alternate Designations
 1998 KU10 = 2002 BX21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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