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505001 (2011 KO15)
Classification: Mars-crossing Asteroid          SPK-ID: 2505001
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5040789655956309 1.2363e-07  
a 3.032198293546416 1.652e-07 au
q 1.503730914254702 4.4059e-07 au
i 24.68329960712947 1.2414e-05 deg
node 258.8210557961187 3.1078e-05 deg
peri 326.4520277503767 5.5501e-05 deg
M 292.8252898559549 6.9227e-05 deg
tp 2459560.363770291728
(2021-Dec-11.86377029)
0.00039995 TDB
period 1928.567418113477
5.28
0.00015761
4.315e-07
d
yr
n .1866670548401941 1.5255e-08 deg/d
Q 4.56066567283813 2.4847e-07 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      4181 days (11.45 yr)  
   first obs. used      2006-05-12  
   last obs. used      2017-10-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50273  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 18:21:19  

Additional Information
 Earth MOID = .532795 au 
 Jupiter MOID = .910588 au 
 T_jup = 2.914 
[ 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 16.7   n/a MPO369128  

505001 (2011 KO15)          Discovered 2011-May-26 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2017-11-07

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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