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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 ]

[ show orbit diagram ]
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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