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347213 (2011 HD50)
Classification: Main-belt Asteroid          SPK-ID: 2347213
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2076171953225319 9.8771e-08  
a 2.780307813866828 4.5424e-08 au
q 2.203068103418477 2.5889e-07 au
i 7.799068005750069 1.1627e-05 deg
node 205.8049338658635 5.1978e-05 deg
peri 134.6348357365658 5.9341e-05 deg
M 248.9106789129362 3.2218e-05 deg
tp 2459523.025583755807
(2021-Nov-04.52558376)
0.00016116 TDB
period 1693.314967733612
4.64
4.1498e-05
1.136e-07
d
yr
n .2126007310275157 5.2102e-09 deg/d
Q 3.357547524315179 5.4855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      7470 days (20.45 yr)  
   first obs. used      1998-09-16  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58135  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:05:00  

Additional Information
 Earth MOID = 1.20355 au 
 Jupiter MOID = 2.11667 au 
 T_jup = 3.288 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456867.5 (2014-Jul-29.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .20506997074292 9.8614e-08  
q 2.213742160692417 2.5836e-07 au
tp 2456133.337138142356
(2012-Jul-24.83713814)
0.00011417 TDB
node 205.888002223139 5.2055e-05 deg
peri 134.6004217783606 5.964e-05 deg
i 7.786805607134742 1.1612e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      7470 days (20.45 yr)  
   first obs. used      1998-09-16  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58135  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:05:00  

Additional Information
 Jupiter MOID = 2.11667 au 
 T_jup = 3.288 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.724641524863486E-15 -2.528870815208441E-14 5.630745910411319E-12 -2.139354284280482E-14 1.343712656241325E-12 -1.695557539584494E-14
q -2.528870815208441E-14 6.674837988307304E-14 -1.429846452550266E-11 5.535630082676883E-14 -3.294519969351204E-12 4.721887935325898E-14
tp 5.630745910411319E-12 -1.429846452550266E-11 1.303469223687347E-8 6.844330297656002E-12 3.328805301766921E-9 -2.393087426003283E-11
node -2.139354284280482E-14 5.535630082676883E-14 6.844330297656002E-12 2.709706680154055E-9 -2.680611662950459E-9 -1.223825542241991E-11
peri 1.343712656241325E-12 -3.294519969351204E-12 3.328805301766921E-9 -2.680611662950459E-9 3.556978335223401E-9 7.598772015490612E-12
i -1.695557539584494E-14 4.721887935325898E-14 -2.393087426003283E-11 -1.223825542241991E-11 7.598772015490612E-12 1.348319905529896E-10

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 16.5   n/a MPO281731  

347213 (2011 HD50)          Discovered 2006-Apr-19 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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