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JPL Small-Body Database Browser
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172783 (2004 EL80)
Classification: Main-belt Asteroid          SPK-ID: 2172783
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 .07238605509725088 4.0728e-08  
a 2.990062357505119 3.1357e-08 au
q 2.773623538950538 1.2186e-07 au
i 10.85772804884657 5.1211e-06 deg
node 82.2197243600904 2.4908e-05 deg
peri 255.4803633979732 4.4209e-05 deg
M 244.5583948255141 3.7977e-05 deg
tp 2459606.089938936515
(2022-Jan-26.58993894)
0.00020133 TDB
period 1888.507853712078
5.17
2.9708e-05
8.134e-08
d
yr
n .1906266893687409 2.9987e-09 deg/d
Q 3.2065011760597 3.3627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      9538 days (26.11 yr)  
   first obs. used      1993-01-22  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:54:06  

Additional Information
 Earth MOID = 1.78855 au 
 Jupiter MOID = 2.07583 au 
 T_jup = 3.225 
[ 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 15.1   n/a MPO469851  

172783 (2004 EL80)          Discovered 2004-Mar-14 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2004 EL80 = 2003 AP18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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