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392172 (2009 KP2)
Classification: Main-belt Asteroid          SPK-ID: 2392172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173230848616728 1.0148e-07  
a 3.125792607221789 4.5708e-08 au
q 2.759064975904717 3.2949e-07 au
i 14.18791474138325 5.924e-06 deg
node 122.5838271698347 4.4732e-05 deg
peri 109.6166667434329 5.0729e-05 deg
M 1.371681468740159 2.3877e-05 deg
tp 2458992.808882663419
(2020-May-23.30888266)
0.00013391 TDB
period 2018.546072297839
5.53
4.4275e-05
1.212e-07
d
yr
n .1783461893392352 3.9119e-09 deg/d
Q 3.49252023853886 5.1071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      4489 days (12.29 yr)  
   first obs. used      2008-01-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55331  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:22:42  

Additional Information
 Earth MOID = 1.78702 au 
 Jupiter MOID = 1.76292 au 
 T_jup = 3.157 
[ 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 16.1   n/a MPO434452  

392172 (2009 KP2)          Discovered 2009-Apr-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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