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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 
[ 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 15.3   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1934-Sep-27 20:10 00:01 Psych 0.0253351897814933 0.02532981526601 0.025340574125263 3.24942400520972 3.24942385824178 2427708.340377932 1.18123460666567 843.966352638058 50.9420493812739 -71.8171944504695 70600.801014601 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 02:36:10 2019-Jul-13 02:36
2138-Jul-23 00:12 00:06 Iris 0.019130123175637 0.0191000800433875 0.0191601680781682 5.47253389616428 5.47253384125234 2502151.508112359 5.85777992642446 1525.57171253132 47.4338016813732 -10.9694470633138 11621.8573430986 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 02:36:10 2019-Jul-13 02:36
2197-Jul-25 12:03 00:07 Iris 0.0378706080073506 0.0378292972907212 0.0379119261422932 5.80919281271313 5.80919278658219 2523704.002106434 7.35340490594213 2222.87011107324 47.8347861782474 22.0950285523303 44598.0730347334 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 02:36:10 2019-Jul-13 02:36

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