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59661 (1999 JG96)
Classification: Main-belt Asteroid          SPK-ID: 2059661
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2694487149522895 4.208e-08  
a 2.58088383615571 1.3306e-08 au
q 1.885468003062419 1.117e-07 au
i 14.80087513235142 4.6591e-06 deg
node 116.008474575435 1.8244e-05 deg
peri 248.8983307588363 2.0999e-05 deg
M 280.1757028751486 1.5612e-05 deg
tp 2459336.302338164086
(2021-May-01.80233816)
6.7661e-05 TDB
period 1514.436657675687
4.15
1.1712e-05
3.207e-08
d
yr
n .2377121540048545 1.8383e-09 deg/d
Q 3.276299669249002 1.6891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1415  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:40:05  

Additional Information
 Earth MOID = .937365 au 
 Jupiter MOID = 2.33655 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456749.5 (2014-Apr-02.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2683592744116891 4.195e-08  
q 1.889290171835202 1.1123e-07 au
tp 2456309.987423205359
(2013-Jan-17.48742321)
5.2363e-05 TDB
node 116.0322387006041 1.8236e-05 deg
peri 249.2647507880725 2.1027e-05 deg
i 14.79982148808476 4.6586e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1415  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:40:05  

Additional Information
 Jupiter MOID = 2.33655 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.759824381001156E-15 -4.649408201361384E-15 -4.019788823134009E-13 2.648886067924716E-15 -9.371458366931092E-14 1.589065821396984E-15
q -4.649408201361384E-15 1.237117233396264E-14 1.302987346196457E-12 -6.694354308329965E-15 2.997243787682032E-13 -3.495200938632725E-15
tp -4.019788823134009E-13 1.302987346196457E-12 2.741883350754819E-9 2.472618885180272E-12 5.755476110772155E-10 3.973627971795806E-12
node 2.648886067924716E-15 -6.694354308329965E-15 2.472618885180272E-12 3.325432013691816E-10 -3.206694498812408E-10 7.745839987902165E-12
peri -9.371458366931092E-14 2.997243787682032E-13 5.755476110772155E-10 -3.206694498812408E-10 4.421447229243641E-10 -6.667008070798158E-12
i 1.589065821396984E-15 -3.495200938632725E-15 3.973627971795806E-12 7.745839987902165E-12 -6.667008070798158E-12 2.170216893406871E-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 13.8   n/a MPO337727  
diameter diameter 7.132 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59661 (1999 JG96)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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