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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2890702141209237 5.8272e-08  
a 2.626545445946709 1.8996e-08 au
q 1.867289391488557 1.5984e-07 au
i 17.02436914717817 1.0641e-05 deg
node 215.9902592928792 2.1308e-05 deg
peri 74.22516301509104 2.9179e-05 deg
M 325.3415558969963 1.8011e-05 deg
tp 2459150.186408357427
(2020-Oct-27.68640836)
7.8416e-05 TDB
period 1554.804562158732
4.26
1.6867e-05
4.618e-08
d
yr
n .2315403548212944 2.5118e-09 deg/d
Q 3.385801500404861 2.4487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6209 days (17.00 yr)  
   first obs. used      2003-04-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:47:27  

Additional Information
 Earth MOID = .932494 au 
 Jupiter MOID = 2.04212 au 
 T_jup = 3.282 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457399.5 (2016-Jan-12.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2880838518528265 5.8333e-08  
q 1.870452503713571 1.5993e-07 au
tp 2457594.604297728670
(2016-Jul-25.10429773)
7.378e-05 TDB
node 216.0058282693551 2.1302e-05 deg
peri 74.14998069128501 2.9222e-05 deg
i 17.02273870924763 1.064e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6209 days (17.00 yr)  
   first obs. used      2003-04-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:47:27  

Additional Information
 Jupiter MOID = 2.04212 au 
 T_jup = 3.282 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.402715639718285E-15 -9.302693692952615E-15 -1.385054054655939E-12 -2.802908638658776E-14 -2.790476562055325E-13 1.733573774931153E-14
q -9.302693692952615E-15 2.557704794001464E-14 3.83408903292428E-12 8.251098247026693E-14 7.612608196941235E-13 -4.330681047713714E-14
tp -1.385054054655939E-12 3.83408903292428E-12 5.443466140584711E-9 -2.881321071407652E-11 1.493150979418251E-9 -7.088534267843153E-11
node -2.802908638658776E-14 8.251098247026693E-14 -2.881321071407652E-11 4.537543296534093E-10 -4.414228627625535E-10 8.780240102055166E-12
peri -2.790476562055325E-13 7.612608196941235E-13 1.493150979418251E-9 -4.414228627625535E-10 8.539251443568722E-10 -2.617462930722208E-11
i 1.733573774931153E-14 -4.330681047713714E-14 -7.088534267843153E-11 8.780240102055166E-12 -2.617462930722208E-11 1.132165442484953E-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 16.5   n/a MPO326957  

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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