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469508 (2003 HM50)
Classification: Main-belt Asteroid          SPK-ID: 2469508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2892339008532372 5.6171e-08  
a 2.627171145174475 1.8237e-08 au
q 1.867304186646595 1.5562e-07 au
i 17.02263020050869 1.0254e-05 deg
node 215.9775143617982 1.6123e-05 deg
peri 74.20519743889636 2.6579e-05 deg
M 11.66342269992113 1.728e-05 deg
tp 2459150.108824467123
(2020-Oct-27.60882447)
7.4477e-05 TDB
period 1555.360176730844
4.26
1.6195e-05
4.434e-08
d
yr
n .2314576426642677 2.41e-09 deg/d
Q 3.387038103702355 2.3511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      6264 days (17.15 yr)  
   first obs. used      2003-04-29  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:19:59  

Additional Information
 Earth MOID = .93088 au 
 Jupiter MOID = 2.04011 au 
 T_jup = 3.281 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458009.5 (2017-Sep-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2883103962731697 5.6256e-08  
q 1.870144900265933 1.557e-07 au
tp 2457594.691426423185
(2016-Jul-25.19142642)
7.1178e-05 TDB
node 216.0026203570633 1.6114e-05 deg
peri 74.17631600936546 2.6629e-05 deg
i 17.02384613103363 1.0255e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      6264 days (17.15 yr)  
   first obs. used      2003-04-29  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:19:59  

Additional Information
 Jupiter MOID = 2.04011 au 
 T_jup = 3.281 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.164743259030886E-15 -8.739611926933216E-15 -1.576171787539335E-12 3.672140185431941E-14 -3.568041025583019E-13 5.067742621123943E-15
q -8.739611926933216E-15 2.42440253950485E-14 4.254895453817977E-12 -9.790020876355343E-14 9.641585189607454E-13 -7.657158831274892E-15
tp -1.576171787539335E-12 4.254895453817977E-12 5.06635342530474E-9 -1.142886461052979E-10 1.516637325350316E-9 -4.39931191717287E-11
node 3.672140185431941E-14 -9.790020876355343E-14 -1.142886461052979E-10 2.596713508487581E-10 -2.783665874247125E-10 3.999052587647954E-11
peri -3.568041025583019E-13 9.641585189607454E-13 1.516637325350316E-9 -2.783665874247125E-10 7.090774912106779E-10 -4.955105127883487E-11
i 5.067742621123943E-15 -7.657158831274892E-15 -4.39931191717287E-11 3.999052587647954E-11 -4.955105127883487E-11 1.05172526195245E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.82   n/a E2021B25  

469508 (2003 HM50)          Discovered 2003-Apr-29 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22

Alternate Designations
 2003 HM50 = 2008 TG132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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