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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2060677172532996 6.1371e-08  
a 2.39451623381845 2.3232e-08 au
q 1.901083739589514 1.5196e-07 au
i 4.93952126969968 7.3029e-06 deg
node 29.99726938131549 6.6297e-05 deg
peri 60.32868814605665 6.8437e-05 deg
M 277.5248093750138 1.8557e-05 deg
tp 2459510.560135644563
(2021-Oct-23.06013564)
7.2225e-05 TDB
period 1353.396675851107
3.71
1.9696e-05
5.392e-08
d
yr
n .265997402257256 3.8711e-09 deg/d
Q 2.887948728047386 2.8019e-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 = .922916 au 
 Jupiter MOID = 2.33565 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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