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185682 (1996 JR16)
Classification: Main-belt Asteroid          SPK-ID: 2185682
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06955076602151761 1.7229e-07  
a 2.553882109158442 2.6137e-08 au
q 2.376257652137824 4.5648e-07 au
i 13.80018517884996 1.0438e-05 deg
node 208.627826593178 2.3193e-05 deg
peri 298.2164294837962 0.00017282 deg
M 30.86359599365467 0.00015225 deg
tp 2458872.696213778295
(2020-Jan-24.19621378)
0.00063167 TDB
period 1490.732416574956
4.08
2.2885e-05
6.266e-08
d
yr
n .2414920317001764 3.7072e-09 deg/d
Q 2.731506566179061 2.7955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      8690 days (23.79 yr)  
   first obs. used      1996-04-14  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:08:18  

Additional Information
 Earth MOID = 1.41387 au 
 Jupiter MOID = 2.30585 au 
 T_jup = 3.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456959.5 (2014-Oct-29.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0698505933698209 1.7582e-07  
q 2.375374850687723 4.6625e-07 au
tp 2457385.404302246426
(2015-Dec-28.90430225)
0.00063094 TDB
node 208.670003603646 2.3214e-05 deg
peri 299.1298457987933 0.00016908 deg
i 13.79406862656052 1.0433e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      8690 days (23.79 yr)  
   first obs. used      1996-04-14  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:08:18  

Additional Information
 Jupiter MOID = 2.30585 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.091280319838189E-14 -8.191430264453771E-14 1.035475166055207E-10 -2.672707651623077E-13 2.766716612197607E-11 -2.25407762751384E-13
q -8.191430264453771E-14 2.173902670530562E-13 -2.747996226926864E-10 7.093782329266434E-13 -7.344660954262345E-11 5.976874463165886E-13
tp 1.035475166055207E-10 -2.747996226926864E-10 3.980857933315936E-7 -9.58742914857837E-10 1.056733728566926E-7 -7.846552867344226E-10
node -2.672707651623077E-13 7.093782329266434E-13 -9.58742914857837E-10 5.389056798389436E-10 -7.753415089121682E-10 -4.817710006781159E-11
peri 2.766716612197607E-11 -7.344660954262345E-11 1.056733728566926E-7 -7.753415089121682E-10 2.858933765509051E-8 -1.601798272579543E-10
i -2.25407762751384E-13 5.976874463165886E-13 -7.846552867344226E-10 -4.817710006781159E-11 -1.601798272579543E-10 1.088567332488117E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO459841  

185682 (1996 JR16)          Discovered 1996-May-11 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 1996 JR16 = 2000 GS145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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