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369432 (2009 XG1)
Classification: Main-belt Asteroid          SPK-ID: 2369432
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1210666464249144 7.7453e-08  
a 3.160482588400398 5.2922e-08 au
q 2.777853560338429 2.5547e-07 au
i 11.32235503315575 7.8179e-06 deg
node 323.9425313682603 2.6164e-05 deg
peri 182.8997595808569 3.4696e-05 deg
M 271.0687242070542 2.3271e-05 deg
tp 2459507.468005265654
(2021-Oct-19.96800527)
0.00013871 TDB
period 2052.241804340697
5.62
5.1547e-05
1.411e-07
d
yr
n .1754179255283486 4.406e-09 deg/d
Q 3.543111616462367 5.9329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      6252 days (17.12 yr)  
   first obs. used      2002-09-13  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:04:41  

Additional Information
 Earth MOID = 1.78985 au 
 Jupiter MOID = 1.48205 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457377.5 (2015-Dec-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1207638340314361 7.83e-08  
q 2.779527549233943 2.5857e-07 au
tp 2457461.792430227624
(2016-Mar-14.29243023)
0.0001197 TDB
node 324.039237582647 2.6109e-05 deg
peri 183.9823616535109 3.4406e-05 deg
i 11.33429954371559 7.8246e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      6252 days (17.12 yr)  
   first obs. used      2002-09-13  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:04:41  

Additional Information
 Jupiter MOID = 1.48205 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.13095657159053E-15 -1.99192258174139E-14 1.85112807741332E-12 -3.643561838065973E-14 5.278418350548958E-13 2.822164374210422E-15
q -1.99192258174139E-14 6.685609390031912E-14 -5.008806198717682E-12 1.194128933188464E-13 -1.557532276447137E-12 -3.558075450139796E-15
tp 1.85112807741332E-12 -5.008806198717682E-12 1.432818234414639E-8 -1.416787566137183E-11 2.692478617793726E-9 7.302426879877955E-12
node -3.643561838065973E-14 1.194128933188464E-13 -1.416787566137183E-11 6.816758323194993E-10 -6.712889300613731E-10 3.776434057888115E-11
peri 5.278418350548958E-13 -1.557532276447137E-12 2.692478617793726E-9 -6.712889300613731E-10 1.183799996525212E-9 -3.569236432832158E-11
i 2.822164374210422E-15 -3.558075450139796E-15 7.302426879877955E-12 3.776434057888115E-11 -3.569236432832158E-11 6.122396516366363E-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 15.3   n/a MPO455668  
diameter diameter 5.377 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

369432 (2009 XG1)          Discovered 2009-Dec-10 by Lowe, A. at Mayhill
Reference: Last Updated: 2013-08-26

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Alternate Designations
 2009 XG1 = 2005 EL277 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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