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215682 (2003 WD155)
Classification: Main-belt Asteroid          SPK-ID: 2215682
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014575741570379 5.4399e-08  
a 2.414885206355831 1.3232e-08 au
q 2.16987681145125 1.3211e-07 au
i 6.317512417077491 5.1312e-06 deg
node 147.255251317587 4.4969e-05 deg
peri 256.7906223143552 5.1223e-05 deg
M 158.8335029348039 2.5061e-05 deg
tp 2458395.740392331084
(2018-Oct-04.24039233)
9.3338e-05 TDB
period 1370.702369072438
3.75
1.1266e-05
3.084e-08
d
yr
n .2626390733121838 2.1586e-09 deg/d
Q 2.659893601260411 1.4574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      8487 days (23.24 yr)  
   first obs. used      1997-01-31  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59735  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:21:09  

Additional Information
 Earth MOID = 1.18863 au 
 Jupiter MOID = 2.6739 au 
 T_jup = 3.502 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457356.5 (2015-Nov-30.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001660628266532 5.4126e-08  
q 2.174273436073323 1.3117e-07 au
tp 2457024.565724122425
(2015-Jan-02.06572412)
9.1414e-05 TDB
node 147.2834912827497 4.4933e-05 deg
peri 256.9390646582314 5.1407e-05 deg
i 6.318385985159745 5.1313e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      8487 days (23.24 yr)  
   first obs. used      1997-01-31  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59735  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:21:09  

Additional Information
 Jupiter MOID = 2.6739 au 
 T_jup = 3.502 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.929608900241567E-15 -7.070535649785224E-15 -2.690730538408399E-12 -6.713126306396234E-15 -7.825807591902872E-13 -3.830885514443354E-15
q -7.070535649785224E-15 1.720616389844847E-14 6.791470892388976E-12 1.695072578498346E-14 1.971540953959565E-12 9.629870353859187E-15
tp -2.690730538408399E-12 6.791470892388976E-12 8.356513089612781E-9 5.449891890450771E-12 2.309907785052848E-9 4.273519640247971E-12
node -6.713126306396234E-15 1.695072578498346E-14 5.449891890450771E-12 2.019008784941399E-9 -2.004876741732187E-9 1.250721520170471E-10
peri -7.825807591902872E-13 1.971540953959565E-12 2.309907785052848E-9 -2.004876741732187E-9 2.642708130411549E-9 -1.2308267089023E-10
i -3.830885514443354E-15 9.629870353859187E-15 4.273519640247971E-12 1.250721520170471E-10 -1.2308267089023E-10 2.633004757672127E-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 16.3   n/a MPO454549  

215682 (2003 WD155)          Discovered 2003-Nov-26 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2003 WD155 = 1999 TU234 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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