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541418 (2011 HU45)
Classification: Main-belt Asteroid          SPK-ID: 2541418
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125331580441936 7.869e-08  
a 2.862856896072515 3.4915e-08 au
q 2.540690568528877 2.2663e-07 au
i 14.30837099241754 8.3359e-06 deg
node 211.578728744832 2.5522e-05 deg
peri 260.1039160955331 4.6364e-05 deg
M 119.5977401327213 3.5884e-05 deg
tp 2458808.715189043033
(2019-Nov-21.21518904)
0.00017666 TDB
period 1769.285370356382
4.84
3.2367e-05
8.862e-08
d
yr
n .2034719814178344 3.7223e-09 deg/d
Q 3.185023223616153 3.8844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      9746 days (26.68 yr)  
   first obs. used      1994-10-31  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57549  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:54  

Additional Information
 Earth MOID = 1.60447 au 
 Jupiter MOID = 2.08997 au 
 T_jup = 3.246 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.95   .24728 E2021B25 autocmod 2.8

541418 (2011 HU45)          Discovered 2011-Apr-12 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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