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JPL Small-Body Database Browser
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11464 Moser (1981 EL28)
Classification: Main-belt Asteroid          SPK-ID: 2011464
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2652795406613099 3.9204e-08  
a 2.979102524002533 1.6075e-08 au
q 2.188807574852192 1.1976e-07 au
i 1.34956807078588 4.3832e-06 deg
node 157.3627268821506 0.00020048 deg
peri 289.2867965165713 0.00020066 deg
M 287.5938073640091 1.0653e-05 deg
tp 2459378.245945589840
(2021-Jun-12.74594559)
5.7702e-05 TDB
period 1878.134113417622
5.14
1.5201e-05
4.162e-08
d
yr
n .1916796023394259 1.5514e-09 deg/d
Q 3.769397473152874 2.0339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      13666 days (37.42 yr)  
   first obs. used      1981-02-09  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56716  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:12:18  

Additional Information
 Earth MOID = 1.20558 au 
 Jupiter MOID = 1.47486 au 
 T_jup = 3.205 
[ 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 14.5   n/a MPO449025  
diameter diameter 5.422 km 0.938 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.077   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

11464 Moser           Discovered 1981 Mar. 6 by S. J. Bus at Siding Spring.
Danielle Moser (b. 1980) is a scientist working for the NASA Meteoroid Environment Office whose research includes meteor shower forecasting and estimating the energies of lunar impactors.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19

[ show close-approach data ]
Alternate Designations
 1981 EL28 = 1994 PH21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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