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308747 (2006 JA39)
Classification: Main-belt Asteroid          SPK-ID: 2308747
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08628745787570467 4.1172e-08  
a 2.298544653915653 1.1632e-08 au
q 2.10020907891548 9.1875e-08 au
i 10.06981817979521 4.9052e-06 deg
node 225.1030653195389 2.3579e-05 deg
peri 335.5668705522463 4.1014e-05 deg
M 155.4740159443171 3.15e-05 deg
tp 2458846.790603578231
(2019-Dec-29.29060358)
0.00011199 TDB
period 1272.851810702008
3.48
9.6622e-06
2.645e-08
d
yr
n .2828294676357112 2.147e-09 deg/d
Q 2.496880228915826 1.2636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7180 days (19.66 yr)  
   first obs. used      2000-11-25  
   last obs. used      2020-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:08:22  

Additional Information
 Earth MOID = 1.10008 au 
 Jupiter MOID = 2.47841 au 
 T_jup = 3.568 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457716.5 (2016-Nov-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08572100684231108 4.1142e-08  
q 2.101368769697386 9.1713e-08 au
tp 2457571.947608329280
(2016-Jul-02.44760833)
0.00011482 TDB
node 225.1874426823123 2.3568e-05 deg
peri 335.0384215627398 4.1262e-05 deg
i 10.07147495801422 4.9072e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7180 days (19.66 yr)  
   first obs. used      2000-11-25  
   last obs. used      2020-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:08:22  

Additional Information
 Jupiter MOID = 2.47841 au 
 T_jup = 3.568 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.692692818588457E-15 -3.751066936689859E-15 2.881726723477933E-13 1.195357739132542E-14 3.883878454986181E-14 -7.203219958985023E-15
q -3.751066936689859E-15 8.411252790363505E-15 -9.29788775745371E-13 -2.962242022618884E-14 -1.682764015355842E-13 1.632881711146112E-14
tp 2.881726723477933E-13 -9.29788775745371E-13 1.318305436830892E-8 1.181072918381354E-10 3.902026511092945E-9 2.815204332176565E-12
node 1.195357739132542E-14 -2.962242022618884E-14 1.181072918381354E-10 5.55452997176021E-10 -5.105834456742553E-10 2.699744137104749E-11
peri 3.883878454986181E-14 -1.682764015355842E-13 3.902026511092945E-9 -5.105834456742553E-10 1.702548015631399E-9 -2.559022584340386E-11
i -7.203219958985023E-15 1.632881711146112E-14 2.815204332176565E-12 2.699744137104749E-11 -2.559022584340386E-11 2.408041514713834E-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 17.07   n/a E2021B25  

308747 (2006 JA39)          Discovered 2006-May-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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