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382111 (2011 HD17)
Classification: Main-belt Asteroid          SPK-ID: 2382111
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08057069154446396 1.0138e-07  
a 2.600575766121352 3.6917e-08 au
q 2.39104557823118 2.6224e-07 au
i 10.91564900740163 1.1098e-05 deg
node 45.77724059362713 3.6615e-05 deg
peri 22.24980471847259 7.1767e-05 deg
M 200.1535560502476 5.7301e-05 deg
tp 2459680.647603243309
(2022-Apr-11.14760324)
0.00024293 TDB
period 1531.802216660889
4.19
3.2618e-05
8.93e-08
d
yr
n .2350172862295165 5.0044e-09 deg/d
Q 2.810105954011523 3.9891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6315 days (17.29 yr)  
   first obs. used      2002-02-12  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:32:34  

Additional Information
 Earth MOID = 1.40736 au 
 Jupiter MOID = 2.47467 au 
 T_jup = 3.385 
[ 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 16.6   n/a MPO434367  

382111 (2011 HD17)          Discovered 2007-Apr-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

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