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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1013281184486596 4.0663e-08  
a 2.244568184667702 1.2598e-08 au
q 2.0171303137856 9.283e-08 au
i 10.23649513413314 5.4718e-06 deg
node 144.3503050638233 2.4407e-05 deg
peri 74.88541569266476 3.7444e-05 deg
M 170.4073795561039 2.8179e-05 deg
tp 2458019.088619461455
(2017-Sep-22.58861946)
9.4401e-05 TDB
period 1228.28070908141
3.36
1.0341e-05
2.831e-08
d
yr
n .2930926109465906 2.4675e-09 deg/d
Q 2.472006055549803 1.3874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      7891 days (21.60 yr)  
   first obs. used      1997-02-07  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60992  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:13:45  

Additional Information
 Earth MOID = 1.03933 au 
 Jupiter MOID = 2.53835 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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