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347812 (2002 MW3)
Classification: Mars-crossing Asteroid          SPK-ID: 2347812
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4398618963220586 4.5531e-08  
a 2.747872556491716 1.4886e-08 au
q 1.539188122941927 1.3114e-07 au
i 11.37431337299855 3.8503e-06 deg
node 127.4530333471595 3.7553e-05 deg
peri 174.3727542695771 3.7855e-05 deg
M 333.383020277631 8.2258e-06 deg
tp 2459123.512594919464
(2020-Oct-01.01259492)
3.8729e-05 TDB
period 1663.770068314333
4.56
1.352e-05
3.702e-08
d
yr
n .2163760527106597 1.7583e-09 deg/d
Q 3.956556990041506 2.1434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      6569 days (17.98 yr)  
   first obs. used      2002-06-25  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:05:29  

Additional Information
 Earth MOID = .524332 au 
 Jupiter MOID = 1.32434 au 
 T_jup = 3.173 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457852.5 (2017-Apr-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .43893275258003 4.5543e-08  
q 1.542481181238521 1.3125e-07 au
tp 2457459.332669713767
(2016-Mar-11.83266971)
3.0734e-05 TDB
node 127.4577428810328 3.7573e-05 deg
peri 174.3674723168852 3.7879e-05 deg
i 11.36721576410998 3.8478e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      6569 days (17.98 yr)  
   first obs. used      2002-06-25  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:05:29  

Additional Information
 Jupiter MOID = 1.32434 au 
 T_jup = 3.173 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.074201152458001E-15 -5.971347007904909E-15 -5.064339732944313E-13 -5.558700162220904E-14 -1.542331373672213E-15 -2.195434851844538E-14
q -5.971347007904909E-15 1.722574502781076E-14 1.511925786812255E-12 1.86436771730315E-13 4.991337966340439E-15 6.567393867383967E-14
tp -5.064339732944313E-13 1.511925786812255E-12 9.445629838190709E-10 3.594219860391463E-11 2.606327368390888E-10 1.921403296901835E-11
node -5.558700162220904E-14 1.86436771730315E-13 3.594219860391463E-11 1.411747186696303E-9 -1.366154821475165E-9 3.556487415899197E-12
peri -1.542331373672213E-15 4.991337966340439E-15 2.606327368390888E-10 -1.366154821475165E-9 1.434841088970792E-9 2.273392663236925E-12
i -2.195434851844538E-14 6.567393867383967E-14 1.921403296901835E-11 3.556487415899197E-12 2.273392663236925E-12 1.480577685660076E-11

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 16.1   n/a MPO471611  

347812 (2002 MW3)          Discovered 2002-Jun-25 by NEAT at Haleakala
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

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