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JPL Small-Body Database Browser
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56250 (1999 JE76)
Classification: Main-belt Asteroid          SPK-ID: 2056250
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04093734103156525 5.6724e-08  
a 2.610393830290957 1.7139e-08 au
q 2.503531247833642 1.4975e-07 au
i 6.949432908444483 5.8735e-06 deg
node 269.753504068806 4.8032e-05 deg
peri 281.827900936984 8.9239e-05 deg
M 294.872059264138 7.6357e-05 deg
tp 2458879.190602278677
(2020-Jan-30.69060228)
0.00032731 TDB
period 1540.485015904686
4.22
1.5172e-05
4.154e-08
d
yr
n .2336926333480637 2.3015e-09 deg/d
Q 2.717256412748272 1.7841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      965  
   data-arc span      7242 days (19.83 yr)  
   first obs. used      1999-05-09  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:24:04  

Additional Information
 Earth MOID = 1.51291 au 
 Jupiter MOID = 2.29646 au 
 T_jup = 3.398 
[ 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 14.7   n/a MPO337704  
diameter diameter 3.024 km 0.647 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.336   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56250 (1999 JE76)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JE76 = 2000 QH86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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