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JPL Small-Body Database Browser
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(2015 MB54)
Classification: Apollo [NEO]          SPK-ID: 3721908
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2402777944138224 2.1638e-08  
a 1.309711841967209 3.8416e-09 au
q .9950171692616634 3.0449e-08 au
i 2.753019924997377 2.7761e-06 deg
node 153.358953975869 3.9472e-05 deg
peri 46.49892835456973 4.4649e-05 deg
M 53.91556924432138 9.7619e-06 deg
tp 2459314.507571008595
(2021-Apr-10.00757101)
1.4908e-05 TDB
period 547.4721838351891
1.50
2.4088e-06
6.595e-09
d
yr
n .6575676548132614 2.8932e-09 deg/d
Q 1.624406514672755 4.7647e-09 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      2106 days (5.77 yr)  
   first obs. used      2015-06-20  
   last obs. used      2021-03-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48196  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:55:23  

Additional Information
 Earth MOID = .0242876 au 
 Jupiter MOID = 3.32947 au 
 T_jup = 4.946 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458242.5 (2018-May-04.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2401285117423878 2.2055e-08  
q .9947871684271067 3.0285e-08 au
tp 2458221.211277967863
(2018-Apr-12.71127797)
1.5362e-05 TDB
node 154.8557937107884 3.9219e-05 deg
peri 45.15019281577738 4.3782e-05 deg
i 2.796277142615009 2.7418e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      2106 days (5.77 yr)  
   first obs. used      2015-06-20  
   last obs. used      2021-03-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48196  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:55:23  

Additional Information
 Jupiter MOID = 3.32947 au 
 T_jup = 4.946 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.864441170660797E-16 -6.668724534062923E-16 1.045642628867076E-13 8.547538962707738E-14 -8.27468417765716E-15 -2.363136259051425E-14
q -6.668724534062923E-16 9.171644957070701E-16 -1.393166141758197E-13 -1.120793605852372E-13 1.123399247465838E-14 3.015381296006951E-14
tp 1.045642628867076E-13 -1.393166141758197E-13 2.359920642935385E-10 -1.068364699631417E-10 3.244389922180802E-10 -2.161130686453871E-11
node 8.547538962707738E-14 -1.120793605852372E-13 -1.068364699631417E-10 1.538158113099123E-9 -1.625721008956437E-9 6.573390659365831E-12
peri -8.27468417765716E-15 1.123399247465838E-14 3.244389922180802E-10 -1.625721008956437E-9 1.916906207344458E-9 -2.637938333640459E-11
i -2.363136259051425E-14 3.015381296006951E-14 -2.161130686453871E-11 6.573390659365831E-12 -2.637938333640459E-11 7.517501612829885E-12

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 24.05   n/a E2021-FB9  

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