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541435 (2011 HJ80)
Classification: Main-belt Asteroid          SPK-ID: 2541435
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06808401862441656 6.2144e-08  
a 3.143770567494681 5.0372e-08 au
q 2.92973003362648 1.8378e-07 au
i 11.61336471677266 6.0374e-06 deg
node 119.2896268484007 3.0176e-05 deg
peri 270.2401054767523 5.4215e-05 deg
M 90.76079537967257 4.4456e-05 deg
tp 2458687.200921255031
(2019-Jul-22.70092126)
0.0002539 TDB
period 2035.98555494342
5.57
4.8934e-05
1.34e-07
d
yr
n .1768185432975748 4.2497e-09 deg/d
Q 3.357811101362881 5.3802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      7177 days (19.65 yr)  
   first obs. used      2001-07-17  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:13  

Additional Information
 Earth MOID = 1.96368 au 
 Jupiter MOID = 1.99083 au 
 T_jup = 3.174 
[ 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 15.77   .32071 MPCxxxxx autocmod 2.8

541435 (2011 HJ80)          Discovered 2011-Mar-31 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 HJ80 = 2016 GU193 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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