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269528 (2009 VN44)
Classification: Main-belt Asteroid          SPK-ID: 2269528
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387316328714294 3.5233e-08  
a 2.584192853849312 1.9352e-08 au
q 2.225683559580117 9.8411e-08 au
i 15.80927563132912 5.5374e-06 deg
node 71.24585520171982 1.3698e-05 deg
peri 238.2582953004076 2.5743e-05 deg
M 300.7000279122448 2.23e-05 deg
tp 2459250.441169049065
(2021-Feb-04.94116905)
9.4287e-05 TDB
period 1517.350138453825
4.15
1.7044e-05
4.666e-08
d
yr
n .2372557202695739 2.6651e-09 deg/d
Q 2.942702148118506 2.2037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      7195 days (19.70 yr)  
   first obs. used      2000-09-28  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59286  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:59:26  

Additional Information
 Earth MOID = 1.2512 au 
 Jupiter MOID = 2.31638 au 
 T_jup = 3.357 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457690.5 (2016-Oct-29.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .137833151459944 3.522e-08  
q 2.228297497531621 9.832e-08 au
tp 2457733.051375407717
(2016-Dec-10.55137541)
9.448e-05 TDB
node 71.25263971425852 1.3697e-05 deg
peri 238.3001347994154 2.5873e-05 deg
i 15.8083535743862 5.5372e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      7195 days (19.70 yr)  
   first obs. used      2000-09-28  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59286  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:59:26  

Additional Information
 Jupiter MOID = 2.31638 au 
 T_jup = 3.357 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.240473437272389E-15 -3.419016286956992E-15 -9.290635149989406E-13 -2.601892819447472E-15 -2.048176472485548E-13 2.709830924245774E-15
q -3.419016286956992E-15 9.666829744107948E-15 2.29959364500522E-12 8.245576748442261E-15 5.044683970429407E-13 -6.50011558647749E-15
tp -9.290635149989406E-13 2.29959364500522E-12 8.926461221233849E-9 -1.352403433712459E-11 2.084845791667024E-9 1.568253269595441E-12
node -2.601892819447472E-15 8.245576748442261E-15 -1.352403433712459E-11 1.876047053485438E-10 -1.834188309082203E-10 -1.878541378591117E-11
peri -2.048176472485548E-13 5.044683970429407E-13 2.084845791667024E-9 -1.834188309082203E-10 6.694037337439765E-10 1.858569810228833E-11
i 2.709830924245774E-15 -6.50011558647749E-15 1.568253269595441E-12 -1.878541378591117E-11 1.858569810228833E-11 3.06603179158065E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO437237  

269528 (2009 VN44)          Discovered 2009-Nov-15 by Mayhill at Mayhill
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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