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305995 (2009 KP12)
Classification: Main-belt Asteroid          SPK-ID: 2305995
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07583165944418191 8.4418e-08  
a 3.107578814190037 4.9353e-08 au
q 2.871925955856423 2.9399e-07 au
i 10.75375156435047 9.3231e-06 deg
node 68.84478517352156 3.5192e-05 deg
peri 274.4339936358211 7.3795e-05 deg
M 262.9418714588242 6.6919e-05 deg
tp 2459539.962259625797
(2021-Nov-21.46225963)
0.00037264 TDB
period 2000.928890596703
5.48
4.7667e-05
1.305e-07
d
yr
n .1799164386559701 4.286e-09 deg/d
Q 3.34323167252365 5.3096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      7195 days (19.70 yr)  
   first obs. used      2000-11-01  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:09:47  

Additional Information
 Earth MOID = 1.89098 au 
 Jupiter MOID = 1.98424 au 
 T_jup = 3.189 
[ 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 15.5   n/a MPO427634  

305995 (2009 KP12)          Discovered 2009-May-25 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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