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JPL Small-Body Database Browser
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(2020 WN)
Classification: Apollo [NEO]          SPK-ID: 54088812
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4201452772410372 0.00033962  
a 1.415788050014381 0.00067641 au
q .8209513872265415 8.8624e-05 au
i 6.277880382230389 0.0043343 deg
node 62.37354046227027 0.00054167 deg
peri 64.05980359572003 0.0013801 deg
M 101.2642897421491 0.06646 deg
tp 2459223.418914381708
(2021-Jan-08.91891438)
0.010444 TDB
period 615.3125744647402
1.68
0.44096
0.001207
d
yr
n .585068491917565 0.00041928 deg/d
Q 2.010624712802221 0.0009606 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      6 days  
   first obs. used      2020-11-16  
   last obs. used      2020-11-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .4451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:18:26  

Additional Information
 Earth MOID = .000680733 au 
 Jupiter MOID = 3.07737 au 
 T_jup = 4.616 
[ 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 27.4   .91282 E2021-CC3 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
1995-Aug-06 13:57 5_00:26 Venus 0.11978358265532 0.0942090556211503 0.31553197458135 4.29528717245813 4.29106444576441 2449936.080957283 7226.42844602714 11329772.5472859 111.437968633726 -51.9636703215549 60748.4293363582 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 23:18:27 2021-Apr-15 23:18
2002-May-14 10:07 3_06:01 Venus 0.120038795179704 0.03003698182766 0.222860598630963 4.17914444208433 4.174813473531 2452408.921416217 4680.97099322883 5198277.51981021 131.676841792192 -13.4487549492857 11820.9828991239 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 23:18:27 2021-Apr-15 23:18
2009-Apr-17 12:39 8_08:22 Earth 0.214473515946137 0.0924193093475312 0.362824958737755 16.5963244425651 16.5955758654197 2454939.026861539 12022.2015889781 7740114.98495618 83.6510033098288 -22.4193108689294 149429.066602799 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 23:18:27 2021-Apr-15 23:18
2020-Nov-23 02:29 < 00:01 Earth 0.0111663157793676 0.0111409611151104 0.0111916700133865 11.297674970445 11.2765342442533 2459176.603150074 0.0587523633051702 1259.58181998964 4.74870825274039 -0.168167866817171 882.345422527432 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 23:18:27 2021-Apr-15 23:18
2029-Jun-09 06:46 1_14:21 Venus 0.149931766751113 0.068978696444197 0.246530678168349 5.31081816538224 5.30809028447537 2462296.781871978 2300.9880304107 5057611.71829914 93.2920576969059 -23.0671070178265 21195.5323390952 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 23:18:27 2021-Apr-15 23:18
2031-Apr-11 23:01 8_09:22 Earth 0.113232897887042 0.0807539139176433 0.226043740112508 13.0844931075314 13.0826945982611 2462968.458862320 12082.3750187369 6570105.66713982 69.1411684185902 -45.5012219824211 204213.255697017 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 23:18:27 2021-Apr-15 23:18
2031-Jun-24 04:51 3_02:42 Mars 0.0505876998688493 0.00228142653793465 0.15422392427833 13.3735303524326 13.3731071754251 2463041.701831432 4481.61045620901 5169643.84527336 128.454156458186 2.58934098731412 2609.59710222441 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 23:18:27 2021-Apr-15 23:18
2036-Mar-13 19:31 2_22:51 Venus 0.130820662422416 0.0914447987915908 0.278918455705143 4.78554896824751 4.78207905741195 2464766.313249197 4251.4217613033 8475180.61515161 88.0771443688306 -44.4313527510507 50405.8995916568 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 23:18:27 2021-Apr-15 23:18
2036-May-01 01:25 8_19:15 Earth 0.459701533136599 0.287631874369641 0.634566945037298 24.0431751446821 24.0429340726871 2464814.559124092 12675.4809004644 8833196.52585037 133.108351332536 -10.8141038666748 91597.6620260683 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 23:18:27 2021-Apr-15 23:18
2074-Dec-17 17:57 4_07:01 Venus 0.123771395875945 0.0386174980719853 0.269878848761069 4.3569394590994 4.35291073091126 2478924.248142595 6180.70477936587 7451901.81116133 110.803072009513 -18.3257114218043 16094.7818306354 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 23:18:27 2021-Apr-15 23:18
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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