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(2015 MW53)
Classification: Apollo [NEO, PHA]          SPK-ID: 3721907
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1968178721257037 4.6503e-08  
a 1.202271819179255 2.7249e-08 au
q .9656432380116949 4.4368e-08 au
i 36.45573214064412 2.361e-05 deg
node 85.52596081825082 2.5105e-06 deg
peri 314.8144800928275 1.2644e-05 deg
M 164.6784474623541 4.5525e-05 deg
tp 2458780.239464204666
(2019-Oct-23.73946420)
5.3557e-05 TDB
period 481.506803763418
1.32
1.637e-05
4.482e-08
d
yr
n .7476529868036533 2.5418e-08 deg/d
Q 1.438900400346814 3.2613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      1680 days (4.60 yr)  
   first obs. used      2015-06-09  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .38524  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-14 05:02:02  

Additional Information
 Earth MOID = .0304767 au 
 Jupiter MOID = 3.91325 au 
 T_jup = 5.086 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457285.5 (2015-Sep-20.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967386115245404 4.6222e-08  
q .9655233637016506 4.4506e-08 au
tp 2457335.379610927407
(2015-Nov-08.87961093)
1.1698e-05 TDB
node 85.54379912515815 2.519e-06 deg
peri 314.6954091951835 1.255e-05 deg
i 36.45336346722334 2.3608e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      146  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      1680 days (4.60 yr)  
   first obs. used      2015-06-09  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .38524  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-14 05:02:02  

Additional Information
 Jupiter MOID = 3.91325 au 
 T_jup = 5.086 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.136466301405549E-15 -1.9076577741519E-15 2.61147876437077E-13 -1.683749032592723E-14 2.588704888571705E-13 -5.637260222560077E-13
q -1.9076577741519E-15 1.980786578319811E-15 -2.648282183331228E-13 2.626915268744805E-14 -2.7492657307384E-13 5.234549277345314E-13
tp 2.61147876437077E-13 -2.648282183331228E-13 1.368364205563944E-10 -1.128609311398824E-11 1.427032933457048E-10 -1.08398970844625E-10
node -1.683749032592723E-14 2.626915268744805E-14 -1.128609311398824E-11 6.345302059826137E-12 -1.526650496589217E-11 -3.282860619865166E-11
peri 2.588704888571705E-13 -2.7492657307384E-13 1.427032933457048E-10 -1.526650496589217E-11 1.574940051112819E-10 -8.234913889661502E-11
i -5.637260222560077E-13 5.234549277345314E-13 -1.08398970844625E-10 -3.282860619865166E-11 -8.234913889661502E-11 5.573588120077414E-10

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 21.6   n/a E2016A09  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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