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541408 (2011 HD19)
Classification: Main-belt Asteroid          SPK-ID: 2541408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007385056786858584 6.5457e-08  
a 3.102808072957301 3.9742e-08 au
q 3.079893659139787 2.066e-07 au
i 10.25688331152619 6.4541e-06 deg
node 7.548886585234823 3.4459e-05 deg
peri 236.5313298989136 0.00053281 deg
M 285.4376590100949 0.00053516 deg
tp 2459809.973642530416
(2022-Aug-18.47364253)
0.0029691 TDB
period 1996.32293373276
5.47
3.8355e-05
1.05e-07
d
yr
n .1803315455214781 3.4647e-09 deg/d
Q 3.125722486774813 4.0036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      9874 days (27.03 yr)  
   first obs. used      1994-04-02  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58329  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:54  

Additional Information
 Earth MOID = 2.08168 au 
 Jupiter MOID = 1.84052 au 
 T_jup = 3.197 
[ 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 16.21   n/a MPCxxxxx  

541408 (2011 HD19)          Discovered 2005-Mar-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 HD19 = 2016 GO156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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