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160239 (2002 JR118)
Classification: Main-belt Asteroid          SPK-ID: 2160239
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2723736372294787 4.5167e-08  
a 2.670197106307313 1.325e-08 au
q 1.942905808342761 1.201e-07 au
i 13.04373119361699 5.7858e-06 deg
node 150.2845108766712 2.2071e-05 deg
peri 137.2089588968773 2.5695e-05 deg
M 359.5136955273666 9.901e-06 deg
tp 2459002.652876768557
(2020-Jun-02.15287677)
4.3833e-05 TDB
period 1593.725084376667
4.36
1.1862e-05
3.248e-08
d
yr
n .2258858842902645 1.6813e-09 deg/d
Q 3.397488404271865 1.6859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      8032 days (21.99 yr)  
   first obs. used      1998-06-19  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:07:35  

Additional Information
 Earth MOID = .948425 au 
 Jupiter MOID = 1.93421 au 
 T_jup = 3.292 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457043.5 (2015-Jan-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2710670209037254 4.5202e-08  
q 1.946616699535796 1.1991e-07 au
tp 2457409.366966357308
(2016-Jan-21.86696636)
4.5181e-05 TDB
node 150.315800765271 2.2075e-05 deg
peri 137.1833331048452 2.5735e-05 deg
i 13.03944430775218 5.7841e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      8032 days (21.99 yr)  
   first obs. used      1998-06-19  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:07:35  

Additional Information
 Jupiter MOID = 1.93421 au 
 T_jup = 3.292 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.043221606886932E-15 -5.402528585354364E-15 5.303349067948817E-13 -4.262204427303282E-14 2.241110010338519E-13 -1.235058324198615E-14
q -5.402528585354364E-15 1.437851811569907E-14 -1.510703308880509E-12 1.128874733590713E-13 -6.324221403070018E-13 3.18270398490768E-14
tp 5.303349067948817E-13 -1.510703308880509E-12 2.041339495747669E-9 -3.895596697959476E-11 6.207112478440278E-10 -5.08974166467406E-12
node -4.262204427303282E-14 1.128874733590713E-13 -3.895596697959476E-11 4.873125363393087E-10 -4.835136376397476E-10 7.693421067019355E-12
peri 2.241110010338519E-13 -6.324221403070018E-13 6.207112478440278E-10 -4.835136376397476E-10 6.622660457049914E-10 -8.548318069442012E-12
i -1.235058324198615E-14 3.18270398490768E-14 -5.08974166467406E-12 7.693421067019355E-12 -8.548318069442012E-12 3.345571836885026E-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 15.8   n/a MPO469693  

160239 (2002 JR118)          Discovered 2002-May-05 by LONEOS at Anderson Mesa
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2002 JR118 = 1998 MR11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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