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JPL Small-Body Database Browser
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27558 (2000 JW55)
Classification: Outer Main-belt Asteroid          SPK-ID: 2027558
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07723401760936124 4.2749e-08  
a 3.324504314196963 2.4201e-08 au
q 3.067739489451877 1.4711e-07 au
i 2.333113914172615 4.6596e-06 deg
node 112.2093680877797 0.00012037 deg
peri 288.1153086196792 0.00012436 deg
M 249.2028547205487 3.2458e-05 deg
tp 2459281.919956150978
(2021-Mar-08.41995615)
0.00020083 TDB
period 2214.056901878031
6.06
2.4177e-05
6.619e-08
d
yr
n .1625974471092576 1.7755e-09 deg/d
Q 3.581269138942049 2.6071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      10567 days (28.93 yr)  
   first obs. used      1990-10-22  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57284  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:00:56  

Additional Information
 Earth MOID = 2.0762 au 
 Jupiter MOID = 1.76677 au 
 T_jup = 3.158 
[ 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 13.9   n/a MPO449165  
diameter diameter 8.404 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27558 (2000 JW55)          Discovered 2000-May-06 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 JW55 = 1998 BT21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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