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JPL Small-Body Database Browser
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215784 (2004 JE42)
Classification: Main-belt Asteroid          SPK-ID: 2215784
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1011186954477926 3.9999e-08  
a 2.244694564973257 1.2354e-08 au
q 2.017713978884411 9.1661e-08 au
i 10.23722216225591 5.377e-06 deg
node 144.3413373009113 2.4049e-05 deg
peri 74.9502102214058 3.6897e-05 deg
M 287.5574592107698 2.8323e-05 deg
tp 2459247.686917991963
(2021-Feb-02.18691799)
9.7523e-05 TDB
period 1228.38444797254
3.36
1.0141e-05
2.776e-08
d
yr
n .2930678588402705 2.4193e-09 deg/d
Q 2.471675151062104 1.3603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      8392 days (22.98 yr)  
   first obs. used      1997-02-07  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:26:55  

Additional Information
 Earth MOID = 1.03976 au 
 Jupiter MOID = 2.53767 au 
 T_jup = 3.604 
[ 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 17.0   n/a MPO454550  

215784 (2004 JE42)          Discovered 2004-May-14 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2004 JE42 = 2007 DR78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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