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JPL Small-Body Database Browser
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193680 (2001 EX1)
Classification: Main-belt Asteroid          SPK-ID: 2193680
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565842189972113 4.2738e-08  
a 2.633337341708375 2.223e-08 au
q 2.220998270700777 1.1218e-07 au
i 11.83455583882855 8.1533e-06 deg
node 37.36849955650791 2.9883e-05 deg
peri 66.31159140461824 4.439e-05 deg
M 222.8498732267431 3.052e-05 deg
tp 2459595.136941390194
(2022-Jan-15.63694139)
0.000133 TDB
period 1560.839234617546
4.27
1.9764e-05
5.411e-08
d
yr
n .230645150388093 2.9206e-09 deg/d
Q 3.045676412715974 2.5711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      14491 days (39.67 yr)  
   first obs. used      1978-10-30  
   last obs. used      2018-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58473  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 07:59:03  

Additional Information
 Earth MOID = 1.26739 au 
 Jupiter MOID = 2.22239 au 
 T_jup = 3.351 
[ 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 15.6   n/a MPO391003  
diameter diameter 4.647 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193680 (2001 EX1)          Discovered 2001-Mar-01 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2001 EX1 = 1978 VL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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