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(2018 TU)
Classification: Apollo [NEO]          SPK-ID: 3831187
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4373003462452991 0.00036058  
a 1.378136037658701 0.00065305 au
q .7754766712174262 0.00012947 au
i 4.070782199654491 0.0036838 deg
node 188.3507475068446 0.00022503 deg
peri 258.8101958601567 0.00023487 deg
M 335.6185290250806 0.23096 deg
tp 2459040.521555495177
(2020-Jul-10.02155549)
0.40756 TDB
period 590.9307109929752
1.62
0.42003
0.00115
d
yr
n .609208479611884 0.00043303 deg/d
Q 1.980795404099975 0.00093863 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      2 days  
   first obs. used      2018-10-03  
   last obs. used      2018-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .51028  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-06 06:30:38  

Additional Information
 Earth MOID = .00499035 au 
 Jupiter MOID = 3.26145 au 
 T_jup = 4.699 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458395.5 (2018-Oct-04.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .436842885578875 0.00036244  
q .7745397675602579 0.00012772 au
tp 2458449.527875685919
(2018-Nov-27.02787569)
0.013466 TDB
node 188.5929046393988 0.00016817 deg
peri 258.7453535544641 0.00044473 deg
i 4.21784225796923 0.0034401 deg
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      2 days  
   first obs. used      2018-10-03  
   last obs. used      2018-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .51028  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-06 06:30:38  

Additional Information
 Jupiter MOID = 3.26145 au 
 T_jup = 4.699 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.31364300670611E-7 -4.628826239434E-8 -4.880419853318289E-6 -5.979671388158757E-8 -1.408064262708141E-7 1.245874298803537E-6
q -4.628826239434E-8 1.631183537101688E-8 1.7195538513802E-6 2.103865520502401E-8 4.935613040618736E-8 -4.391438659311013E-7
tp -4.880419853318289E-6 1.7195538513802E-6 .0001813297211767636 2.224666134117456E-6 5.256061910823415E-6 -4.62724781319318E-5
node -5.979671388158757E-8 2.103865520502401E-8 2.224666134117456E-6 2.828058668967378E-8 6.948349913722307E-8 -5.629022014279958E-7
peri -1.408064262708141E-7 4.935613040618736E-8 5.256061910823415E-6 6.948349913722307E-8 1.977873635122422E-7 -1.310836401424281E-6
i 1.245874298803537E-6 -4.391438659311013E-7 -4.62724781319318E-5 -5.629022014279958E-7 -1.310836401424281E-6 1.183446528800895E-5

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 27.5   .3338 MPO458797 autocmod 2.6n

[ 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
2010-Sep-15 20:35 5_07:30 Earth 0.342693507620497 0.237353937406104 0.448031999301495 21.7852075976593 21.784850696191 2455455.357529551 7649.69798979196 5252744.09126506 23.3314882181317 0.0398405126790806 1083.00594588987 T 2 CATAB v2.0e-lin.ifort 2018-Oct-06 06:30:44 2018-Dec-11 17:23
2014-Mar-19 01:18 3_08:14 Earth 0.285392509828566 0.219416598558335 0.35156803817747 20.1312484247745 20.1307846532492 2456735.553838660 4813.83293231226 3316360.24105155 94.2499865458862 6.34932552060239 44846.6932916746 T 2 CATAB v2.0e-lin.ifort 2018-Oct-06 06:30:44 2018-Dec-11 17:23
2018-Oct-05 22:04 < 00:01 Earth 0.00521885440637268 0.00520565204663022 0.00523205628461861 11.7194727881733 11.6758273809964 2458397.419488664 0.0410983820861568 653.555032023423 2.53957177802925 0.0733781953039907 806.677742899903 T 2 CATAB v2.0e-lin.ifort 2018-Oct-06 06:30:44 2018-Dec-11 17:23
2018-Oct-06 06:03 00:01 Moon 0.00627283106603274 0.00625951331750606 0.00628614909708558 11.2334786267212 11.2330135229007 2458397.752306386 1.30738576012068 667.419189149056 3.60390688286701 5.76460278392043 24067.303975311 T 2 CATAB v2.0e-lin.ifort 2018-Oct-06 06:30:44 2018-Dec-11 17:23
2018-Nov-17 13:03 02:52 Venus 0.0848365032208307 0.0848126172133555 0.0848605551523613 7.81135663267513 7.80807907123156 2458440.043629453 172.115010398898 6050.10426483128 78.9904359869296 78.8731721218006 13578.5946219499 T 2 CATAB v2.0e-lin.ifort 2018-Oct-06 06:30:44 2018-Dec-11 17:23
2031-Sep-15 20:07 8_05:38 Earth 0.34906458071916 0.185822811457005 0.512303872480746 22.0057799472422 22.0054330720586 2463125.338319960 11857.915708148 8140013.16637418 24.8271651554515 0.115316121829769 3568.34031988872 T 2 CATAB v2.0e-lin.ifort 2018-Oct-06 06:30:44 2018-Dec-11 17:23
2035-Mar-23 07:37 9_09:13 Earth 0.371851494864104 0.183454388088299 0.561097976121184 22.7253124868757 22.724997178161 2464409.817655914 13513.1821231454 9457416.63563748 101.306446074496 4.64120266877669 40024.3269714334 T 2 CATAB v2.0e-lin.ifort 2018-Oct-06 06:30:44 2018-Dec-11 17:23
2060-Sep-05 07:38 4_16:48 Earth 0.496044409421825 0.459695781519813 0.532442621512174 7.29708657148701 7.29635042506503 2473707.818155533 6767.76408094904 1830579.67721678 271.117177101328 -7.85111568743522 20112.2536177112 T 2 CATAB v2.0e-lin.ifort 2018-Oct-06 06:30:44 2018-Dec-11 17:23
2065-Sep-13 06:01 9_19:03 Earth 0.398365266423435 0.209085716672436 0.587648979327324 23.445675021511 23.4453897418612 2475541.750749488 14103.1171196596 9438928.12623735 31.8853464941594 0.444698424948135 12981.5198833961 T 2 CATAB v2.0e-lin.ifort 2018-Oct-06 06:30:44 2018-Dec-11 17:23
2072-Sep-10 11:10 7_18:48 Mars 0.0596480915490934 0.0491149276961523 0.316565641046412 12.3811612896259 12.3807736260016 2478095.965029315 11207.8927947731 13907423.3751865 377.578424257808 -55.4413335500037 19135.737722332 T 2 CATAB v2.0e-lin.ifort 2018-Oct-06 06:30:44 2018-Dec-11 17:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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