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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007501213779446437 6.6195e-08  
a 3.103143350380499 4.0434e-08 au
q 3.079866008721027 2.0816e-07 au
i 10.2558710232462 6.4733e-06 deg
node 7.553272129975105 3.4901e-05 deg
peri 235.6664988348859 0.00052297 deg
M 250.9699815105569 0.00052516 deg
tp 2459805.206684533612
(2022-Aug-13.70668453)
0.0029147 TDB
period 1996.646514860298
5.47
3.9025e-05
1.068e-07
d
yr
n .1803023205763533 3.524e-09 deg/d
Q 3.126420692039971 4.0738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      9840 days (26.94 yr)  
   first obs. used      1994-04-02  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57833  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:09  

Additional Information
 Earth MOID = 2.07991 au 
 Jupiter MOID = 1.84058 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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