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JPL Small-Body Database Browser
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(2018 MA)
Classification: Apollo [NEO]          SPK-ID: 3825242
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2458286.5 (2018-Jun-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2864188791393859 0.0012402  
a 1.218798543768214 0.0022598 au
q .8697116309654066 0.00010131 au
i 27.25209500162866 0.078769 deg
node 89.4795106293067 0.0068169 deg
peri 257.8045631709818 0.15554 deg
M 311.2116903923333 0.24709 deg
tp 2458353.105422457479
(2018-Aug-22.60542246)
0.15208 TDB
period 491.4692121434863
1.35
1.3669
0.003742
d
yr
n .7324975626243229 0.0020372 deg/d
Q 1.567885456571022 0.002907 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      6 days  
   first obs. used      2018-06-14  
   last obs. used      2018-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .41531  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Aug-09 07:26:36  

Additional Information
 Earth MOID = .0334175 au 
 Jupiter MOID = 3.89522 au 
 T_jup = 5.094 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.538019441891143E-6 1.252702454279326E-7 -.0001886020236275266 8.45406131873653E-6 -.0001928854338371966 9.768670722129639E-5
q 1.252702454279326E-7 1.026320924399032E-8 -1.537021552578239E-5 6.887028622249488E-7 -1.572482817444114E-5 7.956431798258832E-6
tp -.0001886020236275266 -1.537021552578239E-5 .02312889464610766 -.001036710519665531 .02365499005621619 -.01197897303613707
node 8.45406131873653E-6 6.887028622249488E-7 -.001036710519665531 4.647002979800725E-5 -.00106026748297056 .0005369566546263459
peri -.0001928854338371966 -1.572482817444114E-5 .02365499005621619 -.00106026748297056 .02419356207507459 -.01225102656959321
i 9.768670722129639E-5 7.956431798258832E-6 -.01197897303613707 .0005369566546263459 -.01225102656959321 .006204543471139825

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.3   n/a E2018M63  

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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