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JPL Small-Body Database Browser
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379916 (2012 JL65)
Classification: Main-belt Asteroid          SPK-ID: 2379916
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518953502317404 5.7486e-08  
a 2.253456444342858 1.5816e-08 au
q 1.911166888497427 1.2512e-07 au
i 4.075963146893154 5.3349e-06 deg
node 54.76355953850749 8.6219e-05 deg
peri 240.9930779856031 8.9001e-05 deg
M 94.03877765277973 1.878e-05 deg
tp 2458677.742268842664
(2019-Jul-13.24226884)
6.4954e-05 TDB
period 1235.583725318726
3.38
1.3008e-05
3.561e-08
d
yr
n .2913602636738646 3.0674e-09 deg/d
Q 2.595746000188288 1.8219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      5294 days (14.49 yr)  
   first obs. used      2005-04-01  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:34:32  

Additional Information
 Earth MOID = .899264 au 
 Jupiter MOID = 2.58691 au 
 T_jup = 3.607 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457336.5 (2015-Nov-10.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518047104022444 5.7382e-08  
q 1.911291949031006 1.2495e-07 au
tp 2457442.883032155356
(2016-Feb-24.38303216)
6.8664e-05 TDB
node 54.77201469660033 8.6193e-05 deg
peri 241.230191795742 8.8988e-05 deg
i 4.076910237660925 5.3353e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      5294 days (14.49 yr)  
   first obs. used      2005-04-01  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:34:32  

Additional Information
 Jupiter MOID = 2.58691 au 
 T_jup = 3.607 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.292650299766216E-15 -7.133643544048323E-15 -1.131697042378477E-14 6.357406842179695E-14 -9.819087655606666E-15 -4.120434165081236E-15
q -7.133643544048323E-15 1.5612002653496E-14 -3.09381046621624E-13 -1.343124722152331E-13 -9.364240652658202E-14 9.243982661271896E-15
tp -1.131697042378477E-14 -3.09381046621624E-13 4.714733493335621E-9 -1.779773711594436E-11 1.554335415876268E-9 9.868073554484432E-13
node 6.357406842179695E-14 -1.343124722152331E-13 -1.779773711594436E-11 7.429300994760587E-9 -7.414626898849114E-9 -2.337396917493485E-12
peri -9.819087655606666E-15 -9.364240652658202E-14 1.554335415876268E-9 -7.414626898849114E-9 7.918889786380656E-9 2.579480752728746E-12
i -4.120434165081236E-15 9.243982661271896E-15 9.868073554484432E-13 -2.337396917493485E-12 2.579480752728746E-12 2.846583243875722E-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 17.5   n/a MPO437556  

379916 (2012 JL65)          Discovered 2005-Apr-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 2012 JL65 = 2005 JO58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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