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(2009 WN25)
Classification: Amor [NEO]          SPK-ID: 3478247
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6333819825395444 3.3773e-07  
a 3.329098145836713 7.0952e-07 au
q 1.220507362157935 1.3837e-06 au
i 71.20861814569783 2.4508e-05 deg
node 231.8895205654348 7.317e-06 deg
peri 181.1977998246333 5.7621e-05 deg
M 277.7275084702753 4.71e-05 deg
tp 2459507.537959429116
(2021-Oct-20.03795943)
0.00045206 TDB
period 2218.647594117569
6.07
0.00070928
1.942e-06
d
yr
n .1622610102453807 5.1873e-08 deg/d
Q 5.437688929515493 1.1589e-06 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      2244 days (6.14 yr)  
   first obs. used      2009-11-22  
   last obs. used      2016-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .31966  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:04:20  

Additional Information
 Earth MOID = .23178 au 
 Jupiter MOID = .037577 au 
 T_jup = 1.962 
[ 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 18.4   n/a E2015T31  

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