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JPL Small-Body Database Browser
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441792 (2009 ED18)
Classification: Main-belt Asteroid          SPK-ID: 2441792
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02288760283381281 1.4252e-07  
a 2.7161320007966 7.6549e-08 au
q 2.653966250318158 3.8307e-07 au
i 10.58940752006332 1.5692e-05 deg
node 335.6685087155043 5.1363e-05 deg
peri 339.4639324095108 0.00022642 deg
M 309.7166357196711 0.00021271 deg
tp 2458828.873948979566
(2019-Dec-11.37394898)
0.00096212 TDB
period 1635.026271796348
4.48
6.912e-05
1.892e-07
d
yr
n .2201799483041212 9.308e-09 deg/d
Q 2.778297751275042 7.8301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      5201 days (14.24 yr)  
   first obs. used      2004-01-18  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64134  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:16:25  

Additional Information
 Earth MOID = 1.64261 au 
 Jupiter MOID = 2.31826 au 
 T_jup = 3.336 
[ 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 16.8   n/a MPO437717  
diameter diameter 3.118 km 0.699 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441792 (2009 ED18)          Discovered 2009-Mar-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 ED18 = 2010 FR49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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