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180798 (2005 EP23)
Classification: Main-belt Asteroid          SPK-ID: 2180798
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07842113740832453 5.4693e-08  
a 2.203466154355681 1.1051e-08 au
q 2.030667832290361 1.1956e-07 au
i 7.388366935831383 6.8287e-06 deg
node 168.9012148107745 2.8413e-05 deg
peri 46.12140618455709 4.426e-05 deg
M 254.7728581037713 3.324e-05 deg
tp 2459549.707270181927
(2021-Dec-01.20727018)
0.00011082 TDB
period 1194.697632189507
3.27
8.9874e-06
2.461e-08
d
yr
n .3013314752622658 2.2668e-09 deg/d
Q 2.376264476421 1.1917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      6830 days (18.70 yr)  
   first obs. used      2002-05-08  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54415  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:00  

Additional Information
 Earth MOID = 1.03203 au 
 Jupiter MOID = 2.59024 au 
 T_jup = 3.648 
[ 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 17.2   n/a MPO436893  

180798 (2005 EP23)          Discovered 2005-Mar-03 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 EP23 = 2003 TU52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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