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541410 (2011 HJ32)
Classification: Main-belt Asteroid          SPK-ID: 2541410
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04956965701337095 9.6741e-08  
a 3.111987197459374 8.1565e-08 au
q 2.957727059451312 3.6906e-07 au
i 11.05771260914212 5.3091e-06 deg
node 95.37841634534178 3.5045e-05 deg
peri 26.93799785315374 0.00013832 deg
M 39.67195912320077 0.00012324 deg
tp 2459175.528493580090
(2020-Nov-22.02849358)
0.00069358 TDB
period 2005.18814974897
5.49
7.8834e-05
2.158e-07
d
yr
n .1795342746490241 7.0584e-09 deg/d
Q 3.266247335467437 8.5609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      3644 days (9.98 yr)  
   first obs. used      2011-04-27  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50663  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:54  

Additional Information
 Earth MOID = 1.97873 au 
 Jupiter MOID = 1.85378 au 
 T_jup = 3.188 
[ 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 16.01   .26111 MPCxxxxx autocmod 2.8

541410 (2011 HJ32)          Discovered 2011-Apr-27 by Spacewatch at Kitt Peak
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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