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180265 (2003 WC27)
Classification: Jupiter Trojan          SPK-ID: 2180265
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04780152470355033 5.8754e-08  
a 5.099378000937284 1.1873e-07 au
q 4.855619957452739 3.5445e-07 au
i 6.365740243648356 4.8964e-06 deg
node 297.518611194389 5.9885e-05 deg
peri 39.89844102880416 9.1943e-05 deg
M 240.3390859195103 7.4026e-05 deg
tp 2460598.554337469429
(2024-Oct-15.05433747)
0.00088624 TDB
period 4206.048109831843
11.52
0.00014689
4.022e-07
d
yr
n .08559103238940191 2.9891e-09 deg/d
Q 5.343136044421828 1.244e-07 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2001-09-12  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:08:30  

Additional Information
 Earth MOID = 3.8469 au 
 Jupiter MOID = .0236563 au 
 T_jup = 2.986 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457695.5 (2016-Nov-03.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04561564065155599 5.8893e-08  
q 4.879341561670225 3.564e-07 au
tp 2456394.180764398573
(2013-Apr-11.68076440)
0.00086916 TDB
node 297.5021637685076 5.9898e-05 deg
peri 40.66721686158699 9.4376e-05 deg
i 6.360178065118422 4.892e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2001-09-12  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:08:30  

Additional Information
 Jupiter MOID = .0236563 au 
 T_jup = 2.986 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.468386409565447E-15 -2.001020393700419E-14 1.11077557948876E-11 -3.93748944427825E-15 8.533737321420551E-13 3.720305961778771E-16
q -2.001020393700419E-14 1.270237432658747E-13 -2.500778857828003E-11 2.89534574628339E-14 -1.3277823223652E-12 2.103556091730092E-15
tp 1.11077557948876E-11 -2.500778857828003E-11 7.554405630000233E-7 -3.207916864588868E-12 6.349497457581987E-8 2.148696622164238E-11
node -3.93748944427825E-15 2.89534574628339E-14 -3.207916864588868E-12 3.587811220902881E-9 -3.565578255459545E-9 5.280305574010533E-11
peri 8.533737321420551E-13 -1.3277823223652E-12 6.349497457581987E-8 -3.565578255459545E-9 8.906758060697898E-9 -5.056851820492751E-11
i 3.720305961778771E-16 2.103556091730092E-15 2.148696622164238E-11 5.280305574010533E-11 -5.056851820492751E-11 2.393192053430165E-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 13.34   n/a E2021B55  

180265 (2003 WC27)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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