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437340 (2013 SM78)
Classification: Main-belt Asteroid          SPK-ID: 2437340
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2060970308459142 6.1338e-08  
a 2.394041319211502 2.3052e-08 au
q 1.900636511599576 1.5191e-07 au
i 4.940039912692463 7.3037e-06 deg
node 29.99361534692123 6.6289e-05 deg
peri 60.39502051862291 6.8433e-05 deg
M 329.6161216730233 1.8978e-05 deg
tp 2459510.692241245069
(2021-Oct-23.19224124)
7.2251e-05 TDB
period 1352.994058422274
3.70
1.9542e-05
5.35e-08
d
yr
n .2660765564778577 3.8431e-09 deg/d
Q 2.887446126823428 2.7803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      5968 days (16.34 yr)  
   first obs. used      2004-04-21  
   last obs. used      2020-08-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59957  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:26:14  

Additional Information
 Earth MOID = .922812 au 
 Jupiter MOID = 2.33625 au 
 T_jup = 3.496 
[ 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 17.84   n/a E2021B25  

437340 (2013 SM78)          Discovered 2006-Nov-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2013 SM78 = 2006 WN112 = 2011 EL75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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