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JPL Small-Body Database Browser
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413536 (2005 SQ121)
Classification: Main-belt Asteroid          SPK-ID: 2413536
[ 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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04005473370112908 8.9665e-08  
a 2.688642856267287 2.9953e-08 au
q 2.580949982642057 2.5247e-07 au
i 5.265981166081537 6.5177e-06 deg
node 222.7168692028446 7.8373e-05 deg
peri 122.6634018111789 0.00010706 deg
M 49.6776422894349 7.1154e-05 deg
tp 2458378.293592815286
(2018-Sep-16.79359282)		 0.00031824 TDB
period 1610.267776405919
4.41		 2.6909e-05
7.367e-08		 d
yr
n .2235653009237456 3.736e-09 deg/d
Q 2.796335729892516 3.1153e-08 au
   Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      4787 days (13.11 yr)  
   first obs. used      2005-09-01  
   last obs. used      2018-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:37:09  

Additional Information
 Earth MOID = 1.57765 au 
 Jupiter MOID = 2.35801 au 
 T_jup = 3.366 
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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO460570  

413536 (2005 SQ121)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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