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JPL Small-Body Database Browser
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39296 (2001 EQ4)
Classification: Main-belt Asteroid          SPK-ID: 2039296
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1249771050348053 4.3738e-08  
a 2.552713040937872 1.7628e-08 au
q 2.233682355096863 1.0935e-07 au
i 5.372949322895662 4.8256e-06 deg
node 136.5178500312903 5.2257e-05 deg
peri 121.17938392 6.2452e-05 deg
M 83.74148826856506 4.1314e-05 deg
tp 2458253.970990947331
(2018-May-15.47099095)
0.00016815 TDB
period 1489.708934463608
4.08
1.5431e-05
4.225e-08
d
yr
n .241657945167405 2.5032e-09 deg/d
Q 2.871743726778882 1.9832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      9729 days (26.64 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59047  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 02:30:56  

Additional Information
 Earth MOID = 1.22388 au 
 Jupiter MOID = 2.19195 au 
 T_jup = 3.422 
[ 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 15.4   n/a MPO263674  
diameter diameter 2.428 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.227   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39296 (2001 EQ4)          Discovered 2001-Mar-02 by LONEOS at Anderson Mesa
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 EQ4 = 1993 FE56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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