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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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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457597.5 (2016-Jul-28.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107845042990706 3.2167e-08  
q 2.014958725770001 7.603e-08 au
tp 2458212.197922488964
(2018-Apr-03.69792249)
7.6041e-05 TDB
node 159.9660873126268 6.1913e-05 deg
peri 310.7541408506254 6.5794e-05 deg
i 3.7103310771228 4.2336e-06 deg
  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
 Jupiter MOID = 2.5646 au 
 T_jup = 3.605 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.034729257674733E-15 -2.429098141684511E-15 -1.251587954266849E-13 -5.863997665280113E-15 -1.011272915660344E-14 -6.941774487372985E-16
q -2.429098141684511E-15 5.780562982014838E-15 4.977843571957316E-13 1.352523222661813E-14 7.195250627797373E-14 1.743262194857358E-15
tp -1.251587954266849E-13 4.977843571957316E-13 5.782180438704011E-9 -1.609356495318458E-11 1.703070895626405E-9 -3.691539009199802E-13
node -5.863997665280113E-15 1.352523222661813E-14 -1.609356495318458E-11 3.833158529116205E-9 -3.829617251563987E-9 6.814649261755132E-11
peri -1.011272915660344E-14 7.195250627797373E-14 1.703070895626405E-9 -3.829617251563987E-9 4.32879473229133E-9 -6.815144231952471E-11
i -6.941774487372985E-16 1.743262194857358E-15 -3.691539009199802E-13 6.814649261755132E-11 -6.815144231952471E-11 1.792329154917266E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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