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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07238607118542652 4.0768e-08  
a 2.990062341493023 3.1399e-08 au
q 2.773623475992846 1.2214e-07 au
i 10.85772542865457 5.1118e-06 deg
node 82.21972454891852 2.4938e-05 deg
peri 255.4803243629735 4.4211e-05 deg
M 244.5584350015802 3.8007e-05 deg
tp 2459606.089723314197
(2022-Jan-26.58972331)
0.00020151 TDB
period 1888.507838542343
5.17
2.9747e-05
8.144e-08
d
yr
n .1906266908999797 3.0027e-09 deg/d
Q 3.2065012069932 3.3672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   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      .62173  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:14:49  

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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