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183118 (2002 RE157)
Classification: Main-belt Asteroid          SPK-ID: 2183118
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016468273562131 5.3582e-08  
a 2.410567106431787 1.0523e-08 au
q 1.924483897290571 1.298e-07 au
i 2.080598268384728 4.5268e-06 deg
node 281.5568274624337 0.00016797 deg
peri 51.3356687979386 0.00016834 deg
M 171.0879502439288 1.1154e-05 deg
tp 2457950.827942063288
(2017-Jul-16.32794206)
4.137e-05 TDB
period 1367.027546497337
3.74
8.9515e-06
2.451e-08
d
yr
n .2633450956583934 1.7244e-09 deg/d
Q 2.896650315573004 1.2645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      6972 days (19.09 yr)  
   first obs. used      2000-01-08  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:25:30  

Additional Information
 Earth MOID = .914046 au 
 Jupiter MOID = 2.46891 au 
 T_jup = 3.491 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456906.5 (2014-Sep-06.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2012394757096867 5.3502e-08  
q 1.925651345833504 1.2945e-07 au
tp 2456580.250110362974
(2013-Oct-14.75011036)
4.0573e-05 TDB
node 281.7852956999005 0.00016731 deg
peri 50.55178925818462 0.0001677 deg
i 2.0851161853352 4.5361e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      6972 days (19.09 yr)  
   first obs. used      2000-01-08  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:25:30  

Additional Information
 Jupiter MOID = 2.46891 au 
 T_jup = 3.491 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.862416894764247E-15 -6.911400837499728E-15 4.875742091355693E-13 1.635490932874474E-14 1.044224418008595E-13 -2.514737201850326E-15
q -6.911400837499728E-15 1.675783082753779E-14 -1.17325554124591E-12 -3.882903691610204E-14 -2.482857590053365E-13 6.210744891982427E-15
tp 4.875742091355693E-13 -1.17325554124591E-12 1.646188581411035E-9 -9.298962654819044E-12 5.037030156997175E-10 -8.754763537966949E-13
node 1.635490932874474E-14 -3.882903691610204E-14 -9.298962654819044E-12 2.799291970488365E-8 -2.797676137408255E-8 1.924369806695323E-10
peri 1.044224418008595E-13 -2.482857590053365E-13 5.037030156997175E-10 -2.797676137408255E-8 2.812229906262632E-8 -1.92562624756802E-10
i -2.514737201850326E-15 6.210744891982427E-15 -8.754763537966949E-13 1.924369806695323E-10 -1.92562624756802E-10 2.057595284281715E-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 16.8   n/a MPO436905  

183118 (2002 RE157)          Discovered 2002-Sep-11 by NEAT at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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