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59644 (1999 JS88)
Classification: Main-belt Asteroid          SPK-ID: 2059644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06272753807241019 4.3723e-08  
a 2.472930139179151 1.0016e-08 au
q 2.31780931972338 1.0942e-07 au
i 7.625038394093492 4.8066e-06 deg
node 124.5843408610516 3.197e-05 deg
peri 182.0476114473239 4.7736e-05 deg
M 328.7787923360847 3.5146e-05 deg
tp 2458723.686579235305
(2019-Aug-28.18657924)
0.00013856 TDB
period 1420.418101762448
3.89
8.6293e-06
2.363e-08
d
yr
n .2534465025145158 1.5397e-09 deg/d
Q 2.628050958634922 1.0644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1313  
   data-arc span      7520 days (20.59 yr)  
   first obs. used      1999-03-24  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56373  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:23:09  

Additional Information
 Earth MOID = 1.302 au 
 Jupiter MOID = 2.52883 au 
 T_jup = 3.468 
[ show covariance matrix ]

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 14.5   n/a MPO309602  
diameter diameter 2.574 km 0.566 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.463   0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59644 (1999 JS88)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JS88 = 2000 QU99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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