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379294 (2009 VO44)
Classification: Main-belt Asteroid          SPK-ID: 2379294
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2093740557272266 6.4811e-08  
a 2.609942696848015 1.9828e-08 au
q 2.063488409193291 1.7533e-07 au
i 12.52322385176901 7.148e-06 deg
node 59.50566735908528 2.1255e-05 deg
peri 308.001948149484 2.4398e-05 deg
M 232.587615557739 1.1386e-05 deg
tp 2459545.572193986880
(2021-Nov-27.07219399)		 5.0991e-05 TDB
period 1540.085688641984
4.22		 1.755e-05
4.805e-08		 d
yr
n .233753227274932 2.6638e-09 deg/d
Q 3.156396984502739 2.398e-08 au
   Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      7217 days (19.76 yr)  
   first obs. used      2000-09-20  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:05:25  

Additional Information
 Earth MOID = 1.08998 au 
 Jupiter MOID = 2.37258 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457756.5 (2017-Jan-03.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .208959932946637 6.4893e-08  
q 2.064927982896 1.7555e-07 au
tp 2458006.163874435236
(2017-Sep-09.66387444)		 4.6512e-05 TDB
node 59.5126479010192 2.1252e-05 deg
peri 308.2033868141728 2.4396e-05 deg
i 12.5230838616196 7.148e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      7217 days (19.76 yr)  
   first obs. used      2000-09-20  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:05:25  

Additional Information
 Jupiter MOID = 2.37258 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.211076507966352E-15 -1.135170559570935E-14 1.408572232767582E-12 -2.627627951840457E-14 3.477200392620823E-13 -2.990899027703102E-14
q -1.135170559570935E-14 3.081673877488708E-14 -3.618859443592547E-12 7.185573765573568E-14 -9.086989509975757E-13 8.120919128774734E-14
tp 1.408572232767582E-12 -3.618859443592547E-12 2.163384804682315E-9 -9.990471324862627E-12 5.736662121821174E-10 -1.282148970059489E-11
node -2.627627951840457E-14 7.185573765573568E-14 -9.990471324862627E-12 4.516465880688011E-10 -4.430625819747105E-10 -7.983609599031971E-11
peri 3.477200392620823E-13 -9.086989509975757E-13 5.736662121821174E-10 -4.430625819747105E-10 5.951505136042004E-10 7.509099148580941E-11
i -2.990899027703102E-14 8.120919128774734E-14 -1.282148970059489E-11 -7.983609599031971E-11 7.509099148580941E-11 5.109345861120938E-11

[ 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 16.0   n/a E2013V14  
diameter diameter 3.851 km 0.473 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379294 (2009 VO44)          Discovered 2009-Nov-15 by Mayhill at Mayhill
Reference: Last Updated: 2013-11-20

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Alternate Designations
 2009 VO44 = 2000 SN2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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