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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2892339021097013 5.6171e-08  
a 2.627171143882096 1.8237e-08 au
q 1.86730418242707 1.5562e-07 au
i 17.02263017519493 1.0254e-05 deg
node 215.9775143792882 1.6123e-05 deg
peri 74.20519728938518 2.6579e-05 deg
M 11.66342292542278 1.728e-05 deg
tp 2459150.108823530038
(2020-Oct-27.60882353)
7.4477e-05 TDB
period 1555.360175583156
4.26
1.6195e-05
4.434e-08
d
yr
n .2314576428350586 2.41e-09 deg/d
Q 3.387038105337123 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6258  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:19:22  

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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2883103973005746 5.6256e-08  
q 1.870144896531724 1.557e-07 au
tp 2457594.691426564434
(2016-Jul-25.19142656)
7.1178e-05 TDB
node 216.002620338326 1.6114e-05 deg
peri 74.17631586009509 2.6629e-05 deg
i 17.02384610285513 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6258  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:19:22  

Additional Information
 Jupiter MOID = 2.04011 au 
 T_jup = 3.281 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.164742290993246E-15 -8.739609048029811E-15 -1.576170452639079E-12 3.672141225408623E-14 -3.568035805706014E-13 5.067768685633958E-15
q -8.739609048029811E-15 2.42440164350242E-14 4.25489248279251E-12 -9.790026833562263E-14 9.641571472936593E-13 -7.657259685956553E-15
tp -1.576170452639079E-12 4.25489248279251E-12 5.066351693124698E-9 -1.142886051777763E-10 1.51663701076656E-9 -4.3993109574447E-11
node 3.672141225408623E-14 -9.790026833562263E-14 -1.142886051777763E-10 2.596713558235931E-10 -2.783665864179933E-10 3.999052977047433E-11
peri -3.568035805706014E-13 9.641571472936593E-13 1.51663701076656E-9 -2.783665864179933E-10 7.090774184777303E-10 -4.955106030786816E-11
i 5.067768685633958E-15 -7.657259685956553E-15 -4.3993109574447E-11 3.999052977047433E-11 -4.955106030786816E-11 1.051725228078422E-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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