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181989 (1999 VW111)
Classification: Main-belt Asteroid          SPK-ID: 2181989
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2006040676069731 4.2335e-08  
a 2.392158261187789 1.5723e-08 au
q 1.912281583633894 9.8828e-08 au
i 1.264022060245432 4.6163e-06 deg
node 38.04992602889633 0.00028762 deg
peri 23.84009936188647 0.00028822 deg
M 255.1807348732495 2.0587e-05 deg
tp 2459593.979308416010
(2022-Jan-14.47930842)
8.002e-05 TDB
period 1351.398055104407
3.70
1.3324e-05
3.648e-08
d
yr
n .2663907933271274 2.6264e-09 deg/d
Q 2.872034938741684 1.8877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      1999-11-09  
   last obs. used      2019-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5299  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:54  

Additional Information
 Earth MOID = .924667 au 
 Jupiter MOID = 2.45632 au 
 T_jup = 3.503 
[ 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 17.2   n/a MPO427111  

181989 (1999 VW111)          Discovered 1999-Nov-09 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1999 VW111 = 2004 BU70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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