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(2018 MJ)
Classification: Apollo [NEO]          SPK-ID: 3825282
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2871406147444267 0.00052072  
a 1.047557962109258 0.0003014 au
q .7467615248887869 0.00033065 au
i 6.974671147300401 0.013106 deg
node 258.3466390803788 0.00087102 deg
peri 263.1640563011823 0.01269 deg
M 6.655806322404273 0.35834 deg
tp 2458993.259581069529
(2020-May-23.75958107)
0.38669 TDB
period 391.6205924134908
1.07
0.16901
0.0004627
d
yr
n .9192570742549095 0.00039673 deg/d
Q 1.348354399329729 0.00038794 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      18 days  
   first obs. used      2018-06-17  
   last obs. used      2018-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .486  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 07:17:00  

Additional Information
 Earth MOID = .00769756 au 
 Jupiter MOID = 3.64716 au 
 T_jup = 5.820 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458287.5 (2018-Jun-18.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .287436491284467 0.00051937  
q .7464026708184918 0.00032817 au
tp 2458210.065789869097
(2018-Apr-01.56578987)
0.04792 TDB
node 258.3722736078125 0.0010142 deg
peri 263.1298174211456 0.013 deg
i 6.985066692812773 0.013067 deg
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      18 days  
   first obs. used      2018-06-17  
   last obs. used      2018-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .486  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 07:17:00  

Additional Information
 Jupiter MOID = 3.64716 au 
 T_jup = 5.820 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.697496436771749E-7 -1.704376752276092E-7 2.488810827115818E-5 -5.028864763722737E-7 6.736405058683866E-6 6.786492859676053E-6
q -1.704376752276092E-7 1.076963749154549E-7 -1.572447592051933E-5 3.170194759235243E-7 -4.253882387945746E-6 -4.288158462337292E-6
tp 2.488810827115818E-5 -1.572447592051933E-5 .002296343571147235 -4.646199504971331E-5 .0006217569471600033 .0006261289970191765
node -5.028864763722737E-7 3.170194759235243E-7 -4.646199504971331E-5 1.028639232503692E-6 -1.28041790818935E-5 -1.262372067726727E-5
peri 6.736405058683866E-6 -4.253882387945746E-6 .0006217569471600033 -1.28041790818935E-5 .0001690092139980941 .0001694058055179288
i 6.786492859676053E-6 -4.288158462337292E-6 .0006261289970191765 -1.262372067726727E-5 .0001694058055179288 .0001707482230671799

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 26.1   n/a E2018N20  

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