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227147 (2005 PW5)
Classification: Main-belt Asteroid          SPK-ID: 2227147
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1945435463635679 4.3343e-08  
a 2.390873528684001 1.0664e-08 au
q 1.925744513507038 1.0214e-07 au
i 3.535001141061056 3.9875e-06 deg
node 290.6039184941296 8.3545e-05 deg
peri 48.11386202253636 8.4315e-05 deg
M 44.53496401819954 1.0777e-05 deg
tp 2459033.455593703002
(2020-Jul-02.95559370)
4.0217e-05 TDB
period 1350.309528539067
3.70
9.0345e-06
2.474e-08
d
yr
n .2666055392421713 1.7838e-09 deg/d
Q 2.856002543860964 1.2739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      5616 days (15.38 yr)  
   first obs. used      2005-07-31  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53006  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:37  

Additional Information
 Earth MOID = .916925 au 
 Jupiter MOID = 2.53574 au 
 T_jup = 3.504 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457958.5 (2017-Jul-24.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1950928865094826 4.3287e-08  
q 1.924537320140163 1.0212e-07 au
tp 2457684.057487838888
(2016-Oct-22.55748784)
3.9681e-05 TDB
node 290.6216681554941 8.3608e-05 deg
peri 48.36050422862212 8.4376e-05 deg
i 3.533672090080928 3.986e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      5616 days (15.38 yr)  
   first obs. used      2005-07-31  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53006  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:37  

Additional Information
 Jupiter MOID = 2.53574 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.873787162655934E-15 -4.40539488525839E-15 4.174372001922484E-13 9.163240201090385E-15 1.072061420333836E-13 -1.684645178007934E-15
q -4.40539488525839E-15 1.042815180672453E-14 -1.021890034160126E-12 -2.205790085129711E-14 -2.601751176552951E-13 4.054296149068581E-15
tp 4.174372001922484E-13 -1.021890034160126E-12 1.574592459336121E-9 -5.342898464324126E-12 4.776292087032163E-10 -1.26404652370778E-12
node 9.163240201090385E-15 -2.205790085129711E-14 -5.342898464324126E-12 6.990374065191591E-9 -6.97873863144953E-9 3.94346763255027E-11
peri 1.072061420333836E-13 -2.601751176552951E-13 4.776292087032163E-10 -6.97873863144953E-9 7.119339010368786E-9 -3.97320801572333E-11
i -1.684645178007934E-15 4.054296149068581E-15 -1.26404652370778E-12 3.94346763255027E-11 -3.97320801572333E-11 1.588846039301471E-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 17.52   n/a E2021B55  

227147 (2005 PW5)          Discovered 2005-Aug-10 by Ory, M. at Vicques
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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