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JPL Small-Body Database Browser
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56262 (1999 JE89)
Classification: Main-belt Asteroid          SPK-ID: 2056262
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 .207597835881346 5.0328e-08  
a 2.673372017399587 1.6526e-08 au
q 2.118385772081684 1.3266e-07 au
i 15.20602255986864 5.3423e-06 deg
node 100.1187151087911 1.9595e-05 deg
peri 228.3257468241609 2.342e-05 deg
M 117.9304241380126 1.748e-05 deg
tp 2458077.488927279126
(2017-Nov-19.98892728)
7.4655e-05 TDB
period 1596.568379667389
4.37
1.4804e-05
4.053e-08
d
yr
n .2254836088354689 2.0908e-09 deg/d
Q 3.228358262717489 1.9956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1163  
   data-arc span      7241 days (19.82 yr)  
   first obs. used      1999-05-12  
   last obs. used      2019-03-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53446  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:24:10  

Additional Information
 Earth MOID = 1.13528 au 
 Jupiter MOID = 2.15972 au 
 T_jup = 3.300 
[ 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 MPO333304  
diameter diameter 4.098 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.348   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56262 (1999 JE89)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JE89 = 2000 SG22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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