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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 ]

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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 .2076172253637329 8.6099e-08  
a 2.780307834087227 4.0265e-08 au
q 2.203068035916987 2.3048e-07 au
i 7.799066205638788 1.1592e-05 deg
node 205.8048520371 4.1003e-05 deg
peri 134.6349258801198 4.9677e-05 deg
M 248.9106669576733 3.2105e-05 deg
tp 2459523.025645689485
(2021-Nov-04.52564569)
0.00016009 TDB
period 1693.31498620612
4.64
3.6784e-05
1.007e-07
d
yr
n .2126007287082374 4.6184e-09 deg/d
Q 3.357547632257468 4.8625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      7893 days (21.61 yr)  
   first obs. used      1998-09-16  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:39:51  

Additional Information
 Earth MOID = 1.20354 au 
 Jupiter MOID = 2.11667 au 
 T_jup = 3.288 
[ show covariance matrix ]

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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