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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 ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058656474076979 6.1448e-08  
a 2.396094878343068 2.3326e-08 au
q 1.902821254962703 1.5217e-07 au
i 4.938262275955045 7.3012e-06 deg
node 30.04611282005338 6.6307e-05 deg
peri 60.08956592032219 6.8447e-05 deg
M 224.5667940435373 1.8161e-05 deg
tp 2459510.155953232237
(2021-Oct-22.65595323)
7.2267e-05 TDB
period 1354.735287168694
3.71
1.9782e-05
5.416e-08
d
yr
n .2657345707384473 3.8804e-09 deg/d
Q 2.889368501723433 2.8128e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:39:15  

Additional Information
 Earth MOID = .924895 au 
 Jupiter MOID = 2.33498 au 
 T_jup = 3.495 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457972.5 (2017-Aug-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2066886943221138 6.1686e-08  
q 1.899728247905287 1.5299e-07 au
tp 2458153.633240346961
(2018-Feb-04.13324035)
6.2509e-05 TDB
node 30.20002410975976 6.6109e-05 deg
peri 59.46605449940248 6.8241e-05 deg
i 4.947357460543477 7.3136e-06 deg
  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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:39:15  

Additional Information
 Jupiter MOID = 2.33498 au 
 T_jup = 3.495 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.80515965105001E-15 -9.372417617275135E-15 -1.489541901296538E-12 5.907309699147246E-14 -3.538624620628076E-13 -3.848915123769477E-15
q -9.372417617275135E-15 2.340657977849226E-14 3.985214536252999E-12 -1.465322554756321E-13 9.384788003972005E-13 1.121599206136761E-14
tp -1.489541901296538E-12 3.985214536252999E-12 3.907329939745228E-9 -3.171574217736536E-11 1.079647154622257E-9 9.495625372501609E-12
node 5.907309699147246E-14 -1.465322554756321E-13 -3.171574217736536E-11 4.370438528416535E-9 -4.360165371177912E-9 3.156041354913434E-11
peri -3.538624620628076E-13 9.384788003972005E-13 1.079647154622257E-9 -4.360165371177912E-9 4.656835375795853E-9 -2.897349663051462E-11
i -3.848915123769477E-15 1.121599206136761E-14 9.495625372501609E-12 3.156041354913434E-11 -2.897349663051462E-11 5.348869802173383E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO434609  

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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