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175199 (2005 ER305)
Classification: Main-belt Asteroid          SPK-ID: 2175199
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111016435858839 3.2274e-08  
a 2.265598813580353 1.0332e-08 au
q 2.013887061685347 7.6266e-08 au
i 3.712573014209263 4.2348e-06 deg
node 159.8812139534823 6.1849e-05 deg
peri 311.4744595543885 6.5695e-05 deg
M 284.7722610020115 2.2502e-05 deg
tp 2459460.784584829190
(2021-Sep-03.28458483)
7.8535e-05 TDB
period 1245.583767192762
3.41
8.5207e-06
2.333e-08
d
yr
n .2890211075978865 1.9771e-09 deg/d
Q 2.517310565475359 1.148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      8267 days (22.63 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4966  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:25  

Additional Information
 Earth MOID = 1.03255 au 
 Jupiter MOID = 2.5646 au 
 T_jup = 3.605 
[ 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 17.6   n/a MPO433129  

175199 (2005 ER305)          Discovered 2005-Mar-10 by Calvin College at Calvin-Rehoboth
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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