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JPL Small-Body Database Browser
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59664 (1999 JB97)
Classification: Main-belt Asteroid          SPK-ID: 2059664
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1625173096440219 5.224e-08  
a 2.650802183018159 1.3082e-08 au
q 2.220000943835548 1.3891e-07 au
i 12.95725148139072 5.6929e-06 deg
node 151.4635616291692 1.7059e-05 deg
peri 175.765324024392 2.1428e-05 deg
M 240.3594855981856 1.271e-05 deg
tp 2459524.390082485842
(2021-Nov-05.89008249)
5.6453e-05 TDB
period 1576.392667967691
4.32
1.1669e-05
3.195e-08
d
yr
n .2283694965824202 1.6905e-09 deg/d
Q 3.08160342220077 1.5208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      7655 days (20.96 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:48:26  

Additional Information
 Earth MOID = 1.20893 au 
 Jupiter MOID = 2.28582 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457185.5 (2015-Jun-12.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609440599067744 5.1965e-08  
q 2.227385618917436 1.3783e-07 au
tp 2457945.977372728676
(2017-Jul-11.47737273)
5.5872e-05 TDB
node 151.4867887517863 1.7047e-05 deg
peri 175.2542544165623 2.1534e-05 deg
i 12.95432267593213 5.6901e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      7655 days (20.96 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:48:26  

Additional Information
 Jupiter MOID = 2.28582 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.700402084510316E-15 -7.139349065722421E-15 1.348992428295105E-12 5.052377734700364E-15 3.513009487808097E-13 2.344149640376798E-15
q -7.139349065722421E-15 1.899675042906222E-14 -3.542733855849878E-12 -1.541368059914189E-14 -9.377977103355099E-13 -6.498500162678882E-15
tp 1.348992428295105E-12 -3.542733855849878E-12 3.121637190529068E-9 -4.370028807519756E-13 7.435174184217942E-10 4.686407357550868E-12
node 5.052377734700364E-15 -1.541368059914189E-14 -4.370028807519756E-13 2.906108977267485E-10 -2.826629969049978E-10 3.387852300707575E-11
peri 3.513009487808097E-13 -9.377977103355099E-13 7.435174184217942E-10 -2.826629969049978E-10 4.636925048408999E-10 -3.191505796528894E-11
i 2.344149640376798E-15 -6.498500162678882E-15 4.686407357550868E-12 3.387852300707575E-11 -3.191505796528894E-11 3.237694249963675E-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 14.8   n/a MPO390120  
diameter diameter 4.070 km 0.873 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.185   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59664 (1999 JB97)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JB97 = 2000 SQ213 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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