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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1625173129118846 5.246e-08  
a 2.650802184748736 1.3582e-08 au
q 2.220000936622419 1.3925e-07 au
i 12.95725096067227 5.7897e-06 deg
node 151.4635647847883 1.747e-05 deg
peri 175.7653194036125 2.2042e-05 deg
M 240.3594863122419 1.2861e-05 deg
tp 2459524.390079872116
(2021-Nov-05.89007987)
5.6951e-05 TDB
period 1576.392669511415
4.32
1.2116e-05
3.317e-08
d
yr
n .2283694963587835 1.7552e-09 deg/d
Q 3.081603432875054 1.579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1136  
   data-arc span      7573 days (20.73 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:51:53  

Additional Information
 Earth MOID = 1.20893 au 
 Jupiter MOID = 2.28582 au 
 T_jup = 3.336 
[ show covariance matrix ]

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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