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249986 (2001 WV28)
Classification: Main-belt Asteroid          SPK-ID: 2249986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .241121278618609 5.6272e-08  
a 2.849106158586707 2.6222e-08 au
q 2.162126038708127 1.7012e-07 au
i 11.41512276974043 5.9057e-06 deg
node 85.7542355203166 2.6666e-05 deg
peri 285.8560841023761 2.8611e-05 deg
M 340.2181656770622 1.2978e-05 deg
tp 2459097.021804724494
(2020-Sep-04.52180472)
6.4104e-05 TDB
period 1756.553468882636
4.81
2.425e-05
6.639e-08
d
yr
n .2049467928972297 2.8294e-09 deg/d
Q 3.536086278465287 3.2545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      6546 days (17.92 yr)  
   first obs. used      2001-09-17  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55569  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:26  

Additional Information
 Earth MOID = 1.19617 au 
 Jupiter MOID = 2.05797 au 
 T_jup = 3.234 
[ show covariance matrix ]

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 15.7   n/a MPO440262  

249986 (2001 WV28)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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