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469002 (2015 AJ203)
Classification: Main-belt Asteroid          SPK-ID: 2469002
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787001377901676 7.6661e-08  
a 2.795040896173368 3.9819e-08 au
q 2.295566702898034 2.2778e-07 au
i 19.08285662967136 6.3635e-06 deg
node 84.91328879460747 2.3359e-05 deg
peri 338.1762402530675 3.2875e-05 deg
M 106.6828281103518 2.1764e-05 deg
tp 2458494.707137726031
(2019-Jan-11.20713773)
0.00010136 TDB
period 1706.792308039315
4.67
3.6474e-05
9.986e-08
d
yr
n .2109219723479722 4.5073e-09 deg/d
Q 3.294515089448702 4.6935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      5666 days (15.51 yr)  
   first obs. used      2004-10-13  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59351  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:44:58  

Additional Information
 Earth MOID = 1.31879 au 
 Jupiter MOID = 2.0276 au 
 T_jup = 3.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457658.5 (2016-Sep-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785314770381808 7.6388e-08  
q 2.295986561747684 2.2682e-07 au
tp 2458495.772692603513
(2019-Jan-12.27269260)
0.00010166 TDB
node 84.92196726665134 2.3358e-05 deg
peri 338.4573064561358 3.2946e-05 deg
i 19.08303149572845 6.3635e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      5666 days (15.51 yr)  
   first obs. used      2004-10-13  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59351  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:44:58  

Additional Information
 Jupiter MOID = 2.0276 au 
 T_jup = 3.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.835114102981162E-15 -1.716800185531676E-14 -3.413272413071635E-12 -9.023412759781679E-14 -8.714971631312051E-13 -1.276165698207895E-14
q -1.716800185531676E-14 5.144707492655458E-14 9.904376997758356E-12 2.612057991994358E-13 2.423329378086522E-12 4.37933904074634E-14
tp -3.413272413071635E-12 9.904376997758356E-12 1.03345303997032E-8 1.344316694331721E-10 2.411120530065899E-9 -1.698762100947929E-11
node -9.023412759781679E-14 2.612057991994358E-13 1.344316694331721E-10 5.456047017675928E-10 -4.80805853704471E-10 -1.560106899202881E-11
peri -8.714971631312051E-13 2.423329378086522E-12 2.411120530065899E-9 -4.80805853704471E-10 1.085451374585374E-9 1.037512640672306E-11
i -1.276165698207895E-14 4.37933904074634E-14 -1.698762100947929E-11 -1.560106899202881E-11 1.037512640672306E-11 4.049422604515672E-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 16.2   n/a MPO413562  
diameter diameter 1.960 km 0.511 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469002 (2015 AJ203)          Discovered 2004-Oct-13 by LONEOS at Anderson Mesa
Reference: Last Updated: 2016-06-21

Alternate Designations
 2015 AJ203 = 2010 FM106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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