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51255 (2000 JX57)
Classification: Main-belt Asteroid          SPK-ID: 2051255
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05692068982905855 5.4371e-08  
a 2.906826533227843 1.769e-08 au
q 2.741367961743104 1.5881e-07 au
i 17.65582270913225 4.9099e-06 deg
node 70.77759553546176 1.5698e-05 deg
peri 98.68997963509193 4.5496e-05 deg
M 86.50158554469645 4.1784e-05 deg
tp 2458565.540653276719
(2019-Mar-23.04065328)
0.00021036 TDB
period 1810.202250448595
4.96
1.6525e-05
4.524e-08
d
yr
n .1988728054618133 1.8154e-09 deg/d
Q 3.072285104712583 1.8697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1233  
   data-arc span      7475 days (20.47 yr)  
   first obs. used      1999-01-14  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:03:39  

Additional Information
 Earth MOID = 1.80247 au 
 Jupiter MOID = 2.04423 au 
 T_jup = 3.212 
[ 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 13.8   n/a MPO474396  
diameter diameter 11.347 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

51255 (2000 JX57)          Discovered 2000-May-06 by LINEAR at Socorro
Reference: 20021120/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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