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249827 (2001 KR54)
Classification: Main-belt Asteroid          SPK-ID: 2249827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1519567048288928 3.902e-08  
a 2.454717299139655 1.1896e-08 au
q 2.081706547075914 9.7206e-08 au
i 2.823967046588013 4.5137e-06 deg
node 119.206076754457 7.9097e-05 deg
peri 79.84003144803489 8.0457e-05 deg
M 359.8058015249919 1.4051e-05 deg
tp 2459001.257781443538
(2020-May-31.75778144)
5.483e-05 TDB
period 1404.755210680023
3.85
1.0211e-05
2.796e-08
d
yr
n .256272407650105 1.8629e-09 deg/d
Q 2.827728051203396 1.3703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      6941 days (19.00 yr)  
   first obs. used      2001-04-16  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:47:17  

Additional Information
 Earth MOID = 1.08173 au 
 Jupiter MOID = 2.13006 au 
 T_jup = 3.476 
[ 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 16.6   n/a MPO422970  

249827 (2001 KR54)          Discovered 2001-May-18 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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