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59646 (1999 JX89)
Classification: Main-belt Asteroid          SPK-ID: 2059646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744728250200971 3.6873e-08  
a 2.603798568100496 1.4412e-08 au
q 2.149506476140719 1.0137e-07 au
i 15.34468043050792 4.372e-06 deg
node 99.53539196207115 1.7207e-05 deg
peri 207.6037437973322 2.3538e-05 deg
M 297.0098347975123 1.808e-05 deg
tp 2459269.021923324239
(2021-Feb-23.52192332)
7.7765e-05 TDB
period 1534.650561496037
4.20
1.2742e-05
3.489e-08
d
yr
n .2345810890324492 1.9477e-09 deg/d
Q 3.058090660060273 1.6927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1047  
   data-arc span      7741 days (21.19 yr)  
   first obs. used      1999-04-10  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48791  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:40:05  

Additional Information
 Earth MOID = 1.14446 au 
 Jupiter MOID = 2.19047 au 
 T_jup = 3.342 
[ 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 14.8   n/a MPO333327  
diameter diameter 3.490 km 1.443 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.210   0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59646 (1999 JX89)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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