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46080 (2001 EV9)
Classification: Main-belt Asteroid          SPK-ID: 2046080
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07165933145697875 4.1717e-08  
a 2.742183977690456 1.5417e-08 au
q 2.545680907117119 1.1783e-07 au
i 4.468061730438217 4.2174e-06 deg
node 140.06650921494 6.2338e-05 deg
peri 113.5990241951748 7.0388e-05 deg
M 15.58511383100498 3.3142e-05 deg
tp 2458928.695644537637
(2020-Mar-20.19564454)
0.00015254 TDB
period 1658.606298724975
4.54
1.3987e-05
3.829e-08
d
yr
n .2170497002674738 1.8304e-09 deg/d
Q 2.938687048263792 1.6522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      8951 days (24.51 yr)  
   first obs. used      1994-10-04  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59855  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:36:07  

Additional Information
 Earth MOID = 1.53508 au 
 Jupiter MOID = 2.08942 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456551.5 (2013-Sep-16.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07013685443755345 4.2116e-08  
q 2.551472406476916 1.1876e-07 au
tp 2457263.771624009552
(2015-Aug-29.27162401)
0.00015158 TDB
node 140.1300209474469 6.2486e-05 deg
peri 111.8078884274102 7.0676e-05 deg
i 4.461500930282245 4.2114e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      8951 days (24.51 yr)  
   first obs. used      1994-10-04  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59855  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:36:07  

Additional Information
 Jupiter MOID = 2.08942 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.773772067478012E-15 -4.964232881513281E-15 -1.234101682304146E-12 2.172435456551631E-15 -2.355253687751236E-13 -1.807969951048706E-15
q -4.964232881513281E-15 1.410317955634545E-14 3.814675307847325E-12 -9.091227047591619E-15 7.217650276573811E-13 5.052889960840199E-15
tp -1.234101682304146E-12 3.814675307847325E-12 2.29752386949237E-8 1.458187490868879E-11 5.031814171251011E-9 6.186112911285646E-12
node 2.172435456551631E-15 -9.091227047591619E-15 1.458187490868879E-11 3.904501865285111E-9 -3.889094408760994E-9 2.160067449333495E-11
peri -2.355253687751236E-13 7.217650276573811E-13 5.031814171251011E-9 -3.889094408760994E-9 4.995137826918004E-9 -2.02351806677261E-11
i -1.807969951048706E-15 5.052889960840199E-15 6.186112911285646E-12 2.160067449333495E-11 -2.02351806677261E-11 1.773547542908261E-11

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 15.3   n/a MPO436103  
diameter diameter 2.688 km 0.503 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.169   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46080 (2001 EV9)          Discovered 2001-Mar-02 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 EV9 = 1997 LR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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