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JPL Small-Body Database Browser
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59497 (1999 JJ7)
Classification: Main-belt Asteroid          SPK-ID: 2059497
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03997721284776795 4.0753e-08  
a 2.681754583925518 1.7212e-08 au
q 2.57454551011845 1.1473e-07 au
i 9.860525303712455 5.0231e-06 deg
node 159.3174678763234 2.341e-05 deg
peri 328.9356227854932 7.6941e-05 deg
M 17.95515038929885 7.0876e-05 deg
tp 2458920.495664829984
(2020-Mar-11.99566483)
0.00031588 TDB
period 1604.083510120381
4.39
1.5443e-05
4.228e-08
d
yr
n .224427218239394 2.1606e-09 deg/d
Q 2.788963657732586 1.79e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      14246 days (39.00 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:48:24  

Additional Information
 Earth MOID = 1.59238 au 
 Jupiter MOID = 2.21294 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457017.5 (2014-Dec-26.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03940003563359144 4.2042e-08  
q 2.575358827774866 1.1818e-07 au
tp 2457327.066585935302
(2015-Oct-31.56658594)
0.00031551 TDB
node 159.3518028272265 2.34e-05 deg
peri 331.3804247384307 7.6442e-05 deg
i 9.862090593241769 5.0239e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      14246 days (39.00 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:48:24  

Additional Information
 Jupiter MOID = 2.21294 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.76750121601335E-15 -4.923477376660625E-15 6.180481059804325E-12 -8.14894638917453E-16 1.448311883862273E-12 1.489677541512681E-16
q -4.923477376660625E-15 1.396653976976974E-14 -1.734154879855762E-11 2.179916891586384E-15 -4.075582820466673E-12 -7.77896192827357E-17
tp 6.180481059804325E-12 -1.734154879855762E-11 9.95440397194018E-8 -4.307434843261241E-12 2.297375527600482E-8 1.423004343629313E-11
node -8.14894638917453E-16 2.179916891586384E-15 -4.307434843261241E-12 5.475758995607406E-10 -5.401105718830772E-10 2.954372015083373E-11
peri 1.448311883862273E-12 -4.075582820466673E-12 2.297375527600482E-8 -5.401105718830772E-10 5.843391669974707E-9 -2.58677534913684E-11
i 1.489677541512681E-16 -7.77896192827357E-17 1.423004343629313E-11 2.954372015083373E-11 -2.58677534913684E-11 2.523937414248269E-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 15.2   n/a MPO459258  

59497 (1999 JJ7)          Discovered 1999-May-08 by CSS at Catalina
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JJ7 = 1981 CP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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