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JPL Small-Body Database Browser
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136218 (2003 WR73)
Classification: Main-belt Asteroid          SPK-ID: 2136218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1673661998853874 5.3813e-08  
a 2.239267107786881 1.1229e-08 au
q 1.864489481428248 1.2116e-07 au
i 2.165005782226335 5.4804e-06 deg
node 308.2676132601405 0.00014625 deg
peri 66.92173759682736 0.00014725 deg
M 257.5535171175853 1.7638e-05 deg
tp 2458948.798681577542
(2020-Apr-09.29868158)
6.1432e-05 TDB
period 1223.931967599429
3.35
9.206e-06
2.52e-08
d
yr
n .2941339956223952 2.2124e-09 deg/d
Q 2.614044734145513 1.3108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1996-09-15  
   last obs. used      2018-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57925  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:43:01  

Additional Information
 Earth MOID = .865894 au 
 Jupiter MOID = 2.85366 au 
 T_jup = 3.616 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456487.5 (2013-Jul-14.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .16723938458504 5.3777e-08  
q 1.863902118467306 1.2099e-07 au
tp 2456502.607089760831
(2013-Jul-29.10708976)
5.3206e-05 TDB
node 308.3712666155921 0.00014627 deg
peri 66.98206812756959 0.00014727 deg
i 2.165242381177475 5.4799e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1996-09-15  
   last obs. used      2018-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57925  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:43:01  

Additional Information
 Jupiter MOID = 2.85366 au 
 T_jup = 3.616 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.892006375693996E-15 -6.487336947109788E-15 -4.166784858192013E-13 -7.222228445684258E-15 -1.773906164801106E-13 -1.180068596171305E-15
q -6.487336947109788E-15 1.463829933689377E-14 1.083583278758106E-12 1.45075304206119E-14 4.380668970617647E-13 2.656892198699119E-15
tp -4.166784858192013E-13 1.083583278758106E-12 2.830902333100854E-9 -3.246109189344326E-11 9.347960999520793E-10 -1.027106129083205E-12
node -7.222228445684258E-15 1.45075304206119E-14 -3.246109189344326E-11 2.139538897398349E-8 -2.138917261087661E-8 1.467062789746987E-10
peri -1.773906164801106E-13 4.380668970617647E-13 9.347960999520793E-10 -2.138917261087661E-8 2.168819210189816E-8 -1.469056280570572E-10
i -1.180068596171305E-15 2.656892198699119E-15 -1.027106129083205E-12 1.467062789746987E-10 -1.469056280570572E-10 3.002943007125292E-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 16.6   n/a MPO436670  

136218 (2003 WR73)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2003 WR73 = 1996 TA60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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