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315440 (2007 WX1)
Classification: Mars-crossing Asteroid          SPK-ID: 2315440
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

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Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2932180194739104 7.8491e-08  
a 2.319334742363373 1.7269e-08 au
q 1.639264002710553 1.843e-07 au
i 7.299977878556743 3.9409e-06 deg
node 125.4071733751246 5.4724e-05 deg
peri 270.5449300578451 5.504e-05 deg
M 211.6719189894535 1.0024e-05 deg
tp 2459532.074885719950
(2021-Nov-13.57488572)
4.0985e-05 TDB
period 1290.160012557401
3.53
1.4409e-05
3.945e-08
d
yr
n .2790351557140538 3.1164e-09 deg/d
Q 2.999405482016194 2.2333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      13808 days (37.80 yr)  
   first obs. used      1982-08-21  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55484  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:36:40  

Additional Information
 Earth MOID = .666347 au 
 Jupiter MOID = 2.47165 au 
 T_jup = 3.510 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457469.5 (2016-Mar-22.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2925242179167115 7.8378e-08  
q 1.641756253020321 1.8396e-07 au
tp 2456951.715261070395
(2014-Oct-21.21526107)
2.1581e-05 TDB
node 125.444535694568 5.4708e-05 deg
peri 270.6041994272141 5.5031e-05 deg
i 7.299195338662622 3.9393e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      13808 days (37.80 yr)  
   first obs. used      1982-08-21  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55484  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:36:40  

Additional Information
 Jupiter MOID = 2.47165 au 
 T_jup = 3.510 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.143104986841368E-15 -1.438723836397991E-14 3.123298257276194E-13 3.421387437393868E-15 -5.331574632036661E-14 -4.28393706917068E-14
q -1.438723836397991E-14 3.384147585125249E-14 -6.44688778929193E-13 -8.370483726262055E-15 1.631049508406803E-13 1.010596083603531E-13
tp 3.123298257276194E-13 -6.44688778929193E-13 4.657531910736297E-10 4.135134718871054E-12 1.710228527063446E-10 -2.619455933555315E-12
node 3.421387437393868E-15 -8.370483726262055E-15 4.135134718871054E-12 2.992993847747405E-9 -2.969710200167061E-9 -7.048367835732507E-11
peri -5.331574632036661E-14 1.631049508406803E-13 1.710228527063446E-10 -2.969710200167061E-9 3.028426991430757E-9 7.019748903770062E-11
i -4.28393706917068E-14 1.010596083603531E-13 -2.619455933555315E-12 -7.048367835732507E-11 7.019748903770062E-11 1.551802041808698E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO471297  

315440 (2007 WX1)          Discovered 2007-Nov-17 by Lowe, A. at Mayhill
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

Alternate Designations
 2007 WX1 = 2006 KK95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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