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(2004 PW27)
Classification: Mars-crossing Asteroid          SPK-ID: 3250559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5076531068738727 3.9837e-07  
a 2.886637103521376 1.7983e-07 au
q 1.421226809501353 1.0984e-06 au
i 14.06086844284896 2.1837e-05 deg
node 97.82275616579709 6.7886e-05 deg
peri 215.2217773732193 0.0001693 deg
M 122.847078300219 0.00013796 deg
tp 2458589.207535173983
(2019-Apr-15.70753517)
0.00062975 TDB
period 1791.375833941782
4.90
0.0001674
4.583e-07
d
yr
n .2009628539019912 1.8779e-08 deg/d
Q 4.3520473975414 2.7112e-07 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      5563 days (15.23 yr)  
   first obs. used      2004-08-09  
   last obs. used      2019-11-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:15:52  

Additional Information
 Earth MOID = .429779 au 
 Jupiter MOID = 1.09475 au 
 T_jup = 3.048 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457728.5 (2016-Dec-06.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5081345895210211 3.9736e-07  
q 1.418043638550486 1.0935e-06 au
tp 2458589.238499856715
(2019-Apr-15.73849986)
0.00062827 TDB
node 97.87040632561865 6.7773e-05 deg
peri 215.252163793781 0.00016942 deg
i 14.0640347841941 2.1829e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      5563 days (15.23 yr)  
   first obs. used      2004-08-09  
   last obs. used      2019-11-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:15:52  

Additional Information
 Jupiter MOID = 1.09475 au 
 T_jup = 3.048 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.578988276267978E-13 -4.337143019870189E-13 1.319678379566753E-10 1.424866107311498E-11 -4.801629001468693E-12 -6.234965316706629E-12
q -4.337143019870189E-13 1.195690406588218E-12 -3.273031958349549E-10 -4.060436536728897E-11 2.376652220618025E-11 1.641129026450303E-11
tp 1.319678379566753E-10 -3.273031958349549E-10 3.947285583563154E-7 -1.142175762105897E-10 8.177040546434429E-8 -1.096195752780935E-8
node 1.424866107311498E-11 -4.060436536728897E-11 -1.142175762105897E-10 4.593213034710534E-9 -6.772874810215998E-9 -6.852731728343466E-10
peri -4.801629001468693E-12 2.376652220618025E-11 8.177040546434429E-8 -6.772874810215998E-9 2.870220987732434E-8 -1.189928244760633E-9
i -6.234965316706629E-12 1.641129026450303E-11 -1.096195752780935E-8 -6.852731728343466E-10 -1.189928244760633E-9 4.76492504200211E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO164221  

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