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JPL Small-Body Database Browser
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312450 (2008 KG9)
Classification: Main-belt Asteroid          SPK-ID: 2312450
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01429389554810535 7.3348e-08  
a 3.086307497657491 5.7813e-08 au
q 3.042192140656641 2.3329e-07 au
i 9.595714740587313 8.8925e-06 deg
node 228.00707623 3.2732e-05 deg
peri 52.51338219715534 0.00050963 deg
M 323.8016434876383 0.00049837 deg
tp 2458799.633152863012
(2019-Nov-12.13315286)
0.0027383 TDB
period 1980.419608448333
5.42
5.5646e-05
1.524e-07
d
yr
n .1817796584442332 5.1077e-09 deg/d
Q 3.130422854658341 5.8639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      7235 days (19.81 yr)  
   first obs. used      1999-11-02  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59171  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:56  

Additional Information
 Earth MOID = 2.03522 au 
 Jupiter MOID = 1.88049 au 
 T_jup = 3.205 
[ 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 15.8   n/a MPO440462  

312450 (2008 KG9)          Discovered 2008-May-27 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 KG9 = 1999 VZ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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