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43076 (1999 VW189)
Classification: Main-belt Asteroid          SPK-ID: 2043076
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394187223727245 3.9341e-08  
a 2.727351213633921 1.4177e-08 au
q 2.34710739196738 1.1297e-07 au
i 2.905300857940469 4.0688e-06 deg
node 147.1794783688801 0.00010875 deg
peri 183.1492936387625 0.00011061 deg
M 325.3470452557188 2.2076e-05 deg
tp 2459358.860840819603
(2021-May-24.36084082)
0.00010138 TDB
period 1645.167147094879
4.50
1.2828e-05
3.512e-08
d
yr
n .2188227504030253 1.7062e-09 deg/d
Q 3.107595035300461 1.6154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      9399 days (25.73 yr)  
   first obs. used      1994-09-27  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:15:33  

Additional Information
 Earth MOID = 1.33426 au 
 Jupiter MOID = 2.2312 au 
 T_jup = 3.340 
[ 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 15.42   n/a E2021B10  
rotation period rot_per 7.851 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

43076 (1999 VW189)          Discovered 1999-Nov-15 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VW189 = 1994 SR11 = 1998 MW38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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