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136966 (1998 RL39)
Classification: Main-belt Asteroid          SPK-ID: 2136966
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861197174905586 5.3089e-08  
a 2.370976251930748 1.5196e-08 au
q 1.929690821744574 1.2493e-07 au
i 3.413603249912241 6.1716e-06 deg
node 133.7477143800176 0.00010366 deg
peri 235.8199028005108 0.00010565 deg
M 328.3788458377539 2.557e-05 deg
tp 2459117.629003826357
(2020-Sep-25.12900383)
9.5517e-05 TDB
period 1333.488371775905
3.65
1.282e-05
3.51e-08
d
yr
n .2699686083655619 2.5954e-09 deg/d
Q 2.812261682116923 1.8024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1998-08-30  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57851  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:10:57  

Additional Information
 Earth MOID = .931399 au 
 Jupiter MOID = 2.65165 au 
 T_jup = 3.519 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456337.5 (2013-Feb-14.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858576412662243 5.3102e-08  
q 1.930127621699887 1.2492e-07 au
tp 2456451.777498322805
(2013-Jun-08.27749832)
8.0343e-05 TDB
node 133.8099430012629 0.00010384 deg
peri 236.009539813844 0.00010584 deg
i 3.41011620532994 6.168e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1998-08-30  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57851  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:10:57  

Additional Information
 Jupiter MOID = 2.65165 au 
 T_jup = 3.519 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.819859271657552E-15 -6.603155168566377E-15 9.317887535416989E-13 1.486550316835438E-14 1.505210271358068E-13 -4.62938489988848E-17
q -6.603155168566377E-15 1.560582897072701E-14 -1.700737729357559E-12 -3.709368138329366E-14 -2.337031811715157E-13 3.071470526050206E-16
tp 9.317887535416989E-13 -1.700737729357559E-12 6.45493973993831E-9 -2.818336196001523E-11 1.678845939594347E-9 9.410975021347563E-13
node 1.486550316835438E-14 -3.709368138329366E-14 -2.818336196001523E-11 1.078215580964369E-8 -1.077039915063645E-8 -1.004098274147697E-10
peri 1.505210271358068E-13 -2.337031811715157E-13 1.678845939594347E-9 -1.077039915063645E-8 1.12026457722001E-8 1.005343805931737E-10
i -4.62938489988848E-17 3.071470526050206E-16 9.410975021347563E-13 -1.004098274147697E-10 1.005343805931737E-10 3.804446314295973E-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 16.3   n/a MPO287573  

136966 (1998 RL39)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 RL39 = 2000 DW50 = 2000 EM206 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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