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213948 (2003 WL126)
Classification: Mars-crossing Asteroid          SPK-ID: 2213948
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3887417016797417 3.7628e-08  
a 2.68254196829452 1.3499e-08 au
q 1.639726038712385 1.0634e-07 au
i 3.759417756480298 5.5547e-06 deg
node 351.2582155876339 5.99e-05 deg
peri 92.17998442471414 6.0582e-05 deg
M 313.6371096933441 7.9191e-06 deg
tp 2459407.174176762029
(2021-Jul-11.67417676)
3.6252e-05 TDB
period 1604.790019392929
4.39
1.2113e-05
3.316e-08
d
yr
n .2243284140913235 1.6933e-09 deg/d
Q 3.725357897876655 1.8747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      7521 days (20.59 yr)  
   first obs. used      2000-04-05  
   last obs. used      2020-11-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53038  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:45  

Additional Information
 Earth MOID = .660718 au 
 Jupiter MOID = 1.57053 au 
 T_jup = 3.260 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457520.5 (2016-May-12.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3855625255748211 3.6655e-08  
q 1.651694096206664 1.0316e-07 au
tp 2457790.793871660369
(2017-Feb-06.29387166)
3.1227e-05 TDB
node 352.6181748123595 5.9697e-05 deg
peri 89.8719906547291 6.0479e-05 deg
i 3.764562057503848 5.5495e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      7521 days (20.59 yr)  
   first obs. used      2000-04-05  
   last obs. used      2020-11-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53038  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:45  

Additional Information
 Jupiter MOID = 1.57053 au 
 T_jup = 3.260 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.343620427175049E-15 -3.773287963902531E-15 -2.738229801883533E-13 2.386744906320019E-14 -1.704468683144662E-14 -5.089601431756785E-15
q -3.773287963902531E-15 1.064196497093481E-14 8.678710821887655E-13 -6.95476216213175E-14 7.336320763972121E-14 1.529920220496447E-14
tp -2.738229801883533E-13 8.678710821887655E-13 9.751473445751513E-10 -3.364446486491478E-11 3.07539897166409E-10 4.235303250374244E-12
node 2.386744906320019E-14 -6.95476216213175E-14 -3.364446486491478E-11 3.563735397969278E-9 -3.563378814464252E-9 -2.38674028126248E-11
peri -1.704468683144662E-14 7.336320763972121E-14 3.07539897166409E-10 -3.563378814464252E-9 3.657653715795648E-9 2.440793940931802E-11
i -5.089601431756785E-15 1.529920220496447E-14 4.235303250374244E-12 -2.38674028126248E-11 2.440793940931802E-11 3.079711676348318E-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 16.43   n/a E2021B55  

213948 (2003 WL126)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2003 WL126 = 2000 GH16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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