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(2009 WP25)
Classification: Apollo [NEO]          SPK-ID: 3478248
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7726793448284419 2.4892e-07  
a 1.397992285689693 1.9445e-08 au
q .3177925223077651 3.4962e-07 au
i 27.53111450566225 4.9553e-05 deg
node 245.236025194292 1.5072e-05 deg
peri 29.00773899967713 4.274e-05 deg
M 291.7278859040551 7.3453e-05 deg
tp 2459314.997614849556
(2021-Apr-10.49761485)
0.00012543 TDB
period 603.7478389480327
1.65
1.2596e-05
3.449e-08
d
yr
n .5962754262230773 1.2441e-08 deg/d
Q 2.478192049071622 3.447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      3683 days (10.08 yr)  
   first obs. used      2009-11-21  
   last obs. used      2019-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42189  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 03:12:48  

Additional Information
 Earth MOID = .202272 au 
 Jupiter MOID = 2.7504 au 
 T_jup = 4.306 
[ show covariance matrix ]

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 19.7   n/a E2019Y81  

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