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216294 (2007 KM4)
Classification: Main-belt Asteroid          SPK-ID: 2216294
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1748639234328872 5.0858e-08  
a 2.619591002946791 2.4388e-08 au
q 2.161519042382023 1.3594e-07 au
i 1.398314567518873 7.7152e-06 deg
node 318.3694018817775 0.00028422 deg
peri 328.28946376 0.00028553 deg
M 38.51359013835209 2.4352e-05 deg
tp 2459034.823784439301
(2020-Jul-04.32378444)
0.00010486 TDB
period 1548.633544356549
4.24
2.1626e-05
5.921e-08
d
yr
n .2324630002442435 3.2463e-09 deg/d
Q 3.077662963511559 2.8653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1999-09-03  
   last obs. used      2020-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61903  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:14  

Additional Information
 Earth MOID = 1.14334 au 
 Jupiter MOID = 2.08595 au 
 T_jup = 3.383 
[ 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 16.85   n/a E2021B55  

216294 (2007 KM4)          Discovered 2007-May-24 by Hoenig, S. F., Teamo, N. at Tiki
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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