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(2020 HV)
Classification: Apollo [NEO]          SPK-ID: 54016565
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3310990127152366 0.0001024  
a 1.424998614531967 0.00019968 au
q .9531829801398528 1.239e-05 au
i 2.80966324155452 0.0003804 deg
node 32.64999579819514 0.00044029 deg
peri 214.6271941576339 0.00059207 deg
M 5.562830713833492 0.00039618 deg
tp 2458990.899067130292
(2020-May-21.39906713)
0.0014128 TDB
period 621.3268048045655
1.70
0.1306
0.0003576
d
yr
n .5794052296089748 0.00012179 deg/d
Q 1.896814248924081 0.0002658 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      1 day  
   first obs. used      2020-04-18  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .35533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-11 05:54:45  

Additional Information
 Earth MOID = .00233956 au 
 Jupiter MOID = 3.13663 au 
 T_jup = 4.638 
[ 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 28.793   .28084 3 autocmod 2.8

[ 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
1968-Mar-21 13:20 6_16:35 Earth 0.354091335965863 0.22388533598638 0.484365975443912 17.6613240038237 17.6608979357065 2439937.055618771 9635.24674146226 6499209.63742616 36.1516464889482 -2.06188757773612 43613.1427888264 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
1980-Aug-04 16:53 4_19:36 Earth 0.311618013960159 0.223686744276769 0.400106189302884 16.1740041286716 16.173475465144 2444456.203399421 6935.50173095304 4447467.24930541 522.709168793562 8.16087394303023 10629.0583326703 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
1994-Apr-04 00:15 4_19:58 Earth 0.136721315619919 0.072374037888732 0.201150921881096 11.2087472383468 11.207008425903 2449446.510308573 6957.66967355969 3215147.96194183 37.3237672955386 -2.77066768559503 21208.7671024591 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
1994-Aug-24 05:01 9_17:28 Earth 0.42823337779907 0.382256941996264 0.474515957551356 4.40018943713342 4.39877517384871 2449588.708961760 14008.1320199847 2370127.1061848 157.745250256544 -14.3053317890569 26582.718763479 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
2006-Aug-13 22:21 2_01:12 Earth 0.470301475757646 0.429654172771881 0.51097074288589 20.836336004549 20.8360640993593 2453961.431519487 2951.58116115405 2033789.12922477 581.535740016834 4.51528564857518 8279.06988240002 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
2013-Mar-12 14:41 6_06:32 Earth 0.39168176505783 0.370888827934889 0.412462701036404 3.39085250241182 3.38884572762592 2456364.111844065 9032.03957330369 1030921.72164595 330.54521264152 -2.66866975097725 1280.47454964204 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
2013-Jul-21 00:31 2_12:41 Earth 0.0953895574219794 0.0735452288372026 0.118765203646751 9.59002005715395 9.58710693984071 2456494.521782090 3640.92825197475 1279049.98115425 435.868594666847 27.3290744601082 12634.9694014559 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
2020-Apr-19 15:22 < 00:01 Earth 0.00275557510608344 0.00275345635300376 0.00275769374104759 7.24630581947262 7.11161482763717 2458959.140372776 0.0357507862993656 101.673880553151 1.00006103211952 0.0264356170224668 2280.50911220109 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
2020-Apr-20 05:58 < 00:01 Moon 0.00249195748253311 0.0024898406672392 0.00249407437063611 7.30007961799317 7.2982778281044 2458959.748412788 0.68273834654898 107.67568287009 1.6502392634437 11.4996130500424 45076.2905145552 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
2025-Jan-13 23:54 13:54 Mars 0.0827189676394934 0.0697035072282136 0.0960713158355538 9.40957981721009 9.4092119938232 2460689.495871127 834.452999852744 708222.669183206 606.223479396169 -21.5404359589328 7288.16616079657 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
2025-Aug-10 09:13 1_00:52 Earth 0.370073988921162 0.350639733581542 0.389525855622695 17.8329832728638 17.8325795301391 2460897.884217503 1491.58108980103 977869.196005636 559.142809913539 7.4822122618898 10931.8254186303 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
2042-Aug-15 15:49 1_09:17 Earth 0.471802253551473 0.435590852858736 0.508053881904854 20.819276555358 20.8190052929949 2467112.158765439 1997.23085803615 1819733.59554511 584.253846153332 6.84446499271922 12477.7568318307 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
2049-Mar-20 01:46 8_06:45 Earth 0.405834258488786 0.237614865698934 0.574134603589579 19.1522308275795 19.1518880217718 2469520.573857055 11924.9797096766 8395306.47890005 31.768415075305 -1.81615438675328 50637.7721200549 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
2075-Mar-16 08:42 4_23:45 Mars 0.025640144933018 0.00529568846384717 0.1392165418955 8.62500587440917 8.62371120493606 2479012.862193025 7184.94559465133 5686211.12344701 322.292201452851 11.9418025229449 2422.77176636109 T 3 CATAB v2.0f-lin.ifort 2020-May-11 05:54:47 2020-May-11 05:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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