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17136 (1999 JE82)
Classification: Main-belt Asteroid          SPK-ID: 2017136
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144130038400766 3.0005e-08  
a 2.644862034839449 9.5406e-09 au
q 2.263657968193311 7.8975e-08 au
i 9.336128917198476 3.0934e-06 deg
node 120.1285231504252 2.5257e-05 deg
peri 322.574248703544 2.9955e-05 deg
M 129.6671606517556 1.5377e-05 deg
tp 2458634.612030424180
(2019-May-31.11203042)		 6.6655e-05 TDB
period 1571.096860788222
4.30		 8.5009e-06
2.327e-08		 d
yr
n .2291392777778115 1.2398e-09 deg/d
Q 3.026066101485587 1.0916e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2267  
   data-arc span      13175 days (36.07 yr)  
   first obs. used      1984-12-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:11:51  

Additional Information
 Earth MOID = 1.28734 au 
 Jupiter MOID = 2.1912 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456980.5 (2014-Nov-19.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428433547266177 2.9784e-08  
q 2.267692785772133 7.8225e-08 au
tp 2457065.048581066183
(2015-Feb-11.54858107)		 6.7056e-05 TDB
node 120.1847223197636 2.5228e-05 deg
peri 323.1479511091342 3.002e-05 deg
i 9.339468198970616 3.0948e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2267  
   data-arc span      13175 days (36.07 yr)  
   first obs. used      1984-12-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:11:51  

Additional Information
 Jupiter MOID = 2.1912 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.870751389527596E-16 -2.317195619991978E-15 -7.605320951970119E-13 -6.38323624303896E-15 -2.008006629546738E-13 -9.419131708278547E-16
q -2.317195619991978E-15 6.119201502778914E-15 1.992821330796196E-12 1.587699678769255E-14 5.246780859553099E-13 2.623669279501845E-15
tp -7.605320951970119E-13 1.992821330796196E-12 4.496548862380601E-9 2.152755060132213E-11 1.112636006480968E-9 5.300164741601342E-13
node -6.38323624303896E-15 1.587699678769255E-14 2.152755060132213E-11 6.364680678333873E-10 -6.223994027197464E-10 1.143469111846527E-11
peri -2.008006629546738E-13 5.246780859553099E-13 1.112636006480968E-9 -6.223994027197464E-10 9.012251473270796E-10 -1.113667672740226E-11
i -9.419131708278547E-16 2.623669279501845E-15 5.300164741601342E-13 1.143469111846527E-11 -1.113667672740226E-11 9.577569680345961E-12

[ 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 13.28   n/a E2021B10  
diameter diameter 9.858 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 140.58 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.105   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

17136 (1999 JE82)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JE82 = 1984 YW2 = 1994 EY2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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