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10282 Emilykramer (1981 ET46)
Classification: Main-belt Asteroid          SPK-ID: 2010282
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08619313737783482 3.4731e-08  
a 2.735530303659242 1.0499e-08 au
q 2.499746364394711 9.486e-08 au
i 2.069576141727617 3.9394e-06 deg
node 335.8267677855434 8.8355e-05 deg
peri 36.26467839941711 9.1003e-05 deg
M 128.2739970363276 2.0451e-05 deg
tp 2458807.660616975448
(2019-Nov-20.16061698)
9.4281e-05 TDB
period 1652.573263377803
4.52
9.5141e-06
2.605e-08
d
yr
n .2178420817871471 1.2541e-09 deg/d
Q 2.971314242923774 1.1404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1475  
   data-arc span      14699 days (40.24 yr)  
   first obs. used      1981-02-09  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5441  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:18:50  

Additional Information
 Earth MOID = 1.49912 au 
 Jupiter MOID = 2.4577 au 
 T_jup = 3.346 
[ 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 14.87   n/a E2021B10  
diameter diameter 3.087 km 0.932 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.268   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10282 Emilykramer           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring.
Emily Kramer (b. 1986) is a postdoctoral researcher at the Jet Propulsion Laboratory who uses visible and thermal wavelength measurements to estimate the amount of mass shed by comets throughout their orbits.
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

Alternate Designations
 1981 ET46 = 1994 AH17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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