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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 
[ show covariance matrix ]

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  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2014-Jun-12 19:07 8_10:46 Earth 0.261286772135092 0.0634367990957045 0.463841072146666 20.8871285981603 20.8866403717505 2456821.296742688 12165.5171180632 10135872.5338156 94.3521556571047 6.38436273570214 38629.0857115923 T 5 CATAB v2.0e-lin.ifort 2018-Aug-09 07:26:39 2018-Dec-11 17:21
2018-Jun-21 16:33 < 00:01 Earth 0.0492731018953547 0.0488162222940353 0.0497299781867817 16.6442190498045 16.6409698125535 2458291.189887500 0.117544718442021 22773.752348792 32.5757047531523 -0.0409693182093747 246.859750751838 T 5 CATAB v2.0e-lin.ifort 2018-Aug-09 07:26:39 2018-Dec-11 17:21
2018-Dec-27 21:14 17:59 Earth 0.475808677495341 0.475629248656754 0.476419310164357 13.9896612925881 13.989260998651 2458480.384781172 1079.31776806099 768871.495904853 3376.71861233046 88.6684659522603 17217.3824321562 T 5 CATAB v2.0e-lin.ifort 2018-Aug-09 07:26:39 2018-Dec-11 17:21
2022-Jun-28 20:38 6_06:15 Earth 0.17468448397355 0.0453930768349504 0.381749175196027 14.2527924812268 14.2517222580073 2459759.359728250 9014.50424556038 10489789.6844799 87.6459499638788 -15.0646350950024 144785.496884265 T 5 CATAB v2.0e-lin.ifort 2018-Aug-09 07:26:39 2018-Dec-11 17:21
2022-Dec-17 22:47 8_13:24 Earth 0.333154152919814 0.265825682129332 0.515513244404739 14.0284898926774 14.0279197743179 2459931.449454167 12323.9999782734 12011939.4500844 1259.45687555154 -52.9352071202841 38373.7542871492 T 5 CATAB v2.0e-lin.ifort 2018-Aug-09 07:26:39 2018-Dec-11 17:21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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