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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1747032132749345 5.0838e-08  
a 2.618700186857895 2.4066e-08 au
q 2.161204849610149 1.3563e-07 au
i 1.398258416424948 7.7156e-06 deg
node 318.3668487371981 0.00028428 deg
peri 328.20271083 0.00028559 deg
M 84.185121681924 2.4385e-05 deg
tp 2459034.540533962645
(2020-Jul-04.04053396)
0.00010501 TDB
period 1547.843670830335
4.24
2.1337e-05
5.842e-08
d
yr
n .2325816274500637 3.2062e-09 deg/d
Q 3.07619552410564 2.8271e-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 = 1.14465 au 
 Jupiter MOID = 2.08591 au 
 T_jup = 3.384 
[ 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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