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541404 (2011 HC3)
Classification: Main-belt Asteroid          SPK-ID: 2541404
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2085457032420816 7.0735e-08  
a 3.090876073173424 8.5328e-08 au
q 2.446287148859349 2.2269e-07 au
i 19.66577698186795 9.6046e-06 deg
node 66.73346900058543 2.9718e-05 deg
peri 219.6024336722265 6.3528e-05 deg
M 225.6614260300811 7.1891e-05 deg
tp 2459941.160269621359
(2022-Dec-27.66026962)
0.00041955 TDB
period 1984.818575812743
5.43
8.219e-05
2.25e-07
d
yr
n .1813767789091693 7.5107e-09 deg/d
Q 3.7354649974875 1.0312e-07 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      3597 days (9.85 yr)  
   first obs. used      2011-04-13  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66504  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:07  

Additional Information
 Earth MOID = 1.45848 au 
 Jupiter MOID = 1.49981 au 
 T_jup = 3.103 
[ 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 16.34   .29592 MPCxxxxx autocmod 2.8

541404 (2011 HC3)          Discovered 2011-Apr-13 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

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