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59365 (1999 EM)
Classification: Main-belt Asteroid          SPK-ID: 2059365
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .110277345066543 3.6391e-08  
a 2.360262089795545 8.9048e-09 au
q 2.099978652871682 8.7242e-08 au
i 2.017326556057171 3.6591e-06 deg
node 322.856750906622 9.9306e-05 deg
peri 221.8347324326338 0.00010043 deg
M 182.4374590184928 1.6322e-05 deg
tp 2459253.762342235901
(2021-Feb-08.26234224)
6.1449e-05 TDB
period 1324.459775721599
3.63
7.4954e-06
2.052e-08
d
yr
n .2718089341776067 1.5382e-09 deg/d
Q 2.620545526719409 9.8868e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1053  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-02-18  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56685  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:10:00  

Additional Information
 Earth MOID = 1.10272 au 
 Jupiter MOID = 2.34307 au 
 T_jup = 3.543 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO347917  
diameter diameter 2.205 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.209   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59365 (1999 EM)          Discovered 1999-Mar-09 by Juels, C. W. at Fountain Hills
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 EM = 2000 QQ218 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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