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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06221365419612232 4.3749e-08  
a 2.471747463692635 9.8893e-09 au
q 2.317971021726319 1.0936e-07 au
i 7.626784285900815 4.8025e-06 deg
node 124.5812597698444 3.189e-05 deg
peri 182.0871385303352 4.7823e-05 deg
M 70.17647962610464 3.5217e-05 deg
tp 2458723.809881018040
(2019-Aug-28.30988102)
0.00013912 TDB
period 1419.399254055096
3.89
8.5184e-06
2.332e-08
d
yr
n .2536284269359114 1.5221e-09 deg/d
Q 2.62552390565895 1.0505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1317  
   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      .56331  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:51:31  

Additional Information
 Earth MOID = 1.30295 au 
 Jupiter MOID = 2.53064 au 
 T_jup = 3.469 
[ 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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