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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0722323581939445 4.1447e-08  
a 2.740294057791523 1.5961e-08 au
q 2.542356155852388 1.1739e-07 au
i 4.471575272735011 4.2125e-06 deg
node 140.0559867655009 6.2101e-05 deg
peri 112.6239282110378 7.0036e-05 deg
M 102.4491222037577 3.3005e-05 deg
tp 2458924.980214207186
(2020-Mar-16.48021421)
0.00015077 TDB
period 1656.891920926453
4.54
1.4476e-05
3.963e-08
d
yr
n .2172742805087163 1.8983e-09 deg/d
Q 2.938231959730658 1.7114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      9388 days (25.70 yr)  
   first obs. used      1994-10-04  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59528  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:46:15  

Additional Information
 Earth MOID = 1.53207 au 
 Jupiter MOID = 2.08588 au 
 T_jup = 3.342 
[ 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 15.34   n/a E2021B10  
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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