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541420 (2011 HF48)
Classification: Main-belt Asteroid          SPK-ID: 2541420
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06654617502788639 1.5537e-07  
a 3.077264542616313 6.2325e-08 au
q 2.872484357756259 5.2752e-07 au
i 17.38082512124841 6.0889e-06 deg
node 69.674446454052 2.1924e-05 deg
peri 111.608029736323 7.3233e-05 deg
M 314.7508222839699 5.8329e-05 deg
tp 2459448.329994194646
(2021-Aug-21.82999419)
0.00031635 TDB
period 1971.721971832998
5.40
5.9901e-05
1.64e-07
d
yr
n .1825815227211413 5.5469e-09 deg/d
Q 3.282044727476367 6.6473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      6326 days (17.32 yr)  
   first obs. used      2003-12-19  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51445  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:19  

Additional Information
 Earth MOID = 1.91655 au 
 Jupiter MOID = 1.82229 au 
 T_jup = 3.155 
[ 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 16.13   n/a MPCxxxxx  

541420 (2011 HF48)          Discovered 2011-Apr-28 by Pan-STARRS 1 at Haleakala
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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