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JPL Small-Body Database Browser
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(2020 CK)
Classification: Apollo [NEO]          SPK-ID: 3989405
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 2458881.5 (2020-Feb-02.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7120435694250593 0.0012282  
a 1.843976928490733 0.0060791 au
q .5309850143907341 0.00051838 au
i 5.106023982028097 0.0099976 deg
node 313.7417174385855 0.0002902 deg
peri 276.2344229094008 0.011339 deg
M 341.071923600766 0.11077 deg
tp 2458929.587879947342
(2020-Mar-21.08787995)
0.043627 TDB
period 914.6009565844591
2.50
4.5228
0.01238
d
yr
n .3936142832655737 0.0019465 deg/d
Q 3.156968842590731 0.010408 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   first obs. used      2020-02-02  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-03 05:40:40  

Additional Information
 Earth MOID = 5.96931E-5 au 
 Jupiter MOID = 1.89067 au 
 T_jup = 3.654 
[ 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 28.372   .47023 2 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
1947-Aug-14 03:16 9_00:22 Earth 0.117103866730512 0.0187589169534131 0.23582924896557 19.163252815832 19.1620654478144 2432411.636065764 12982.3134331679 5958694.81853674 5193.13557418718 9.23274227484841 556.03772669654 T 2 CATAB v2.0f-lin.ifort 2020-Feb-03 05:40:42 2020-Feb-03 05:40
2007-Sep-15 00:30 7_02:04 Mercury 0.0857760171576393 0.0734854545678476 0.126465116614843 16.7936234710755 16.7935212324016 2454358.521122737 10204.264361072 2932273.34142201 9608.69424351674 59.1164721678885 1179.06464693578 T 2 CATAB v2.0f-lin.ifort 2020-Feb-03 05:40:42 2020-Feb-03 05:40
2009-Dec-04 06:06 3_19:39 Mars 0.0459261107167994 0.0326678603300231 0.121157248237439 19.7352407888402 19.7349249194337 2455169.754313079 5499.31935651453 4208461.90274168 408.150841101042 45.3556184417523 11638.5375261566 T 2 CATAB v2.0f-lin.ifort 2020-Feb-03 05:40:42 2020-Feb-03 05:40
2010-Jan-28 02:04 5_07:43 Earth 0.120610725372448 0.0109035283578318 0.230307675123235 26.1138726561297 26.1130266720697 2455224.585911964 7662.90560362914 5470117.95552303 414.523478666851 -0.0583436812723665 26.729454324763 T 2 CATAB v2.0f-lin.ifort 2020-Feb-03 05:40:42 2020-Feb-03 05:40
2017-Jun-11 11:37 8_03:53 Mars 0.0328248418812178 0.0322023557573483 0.179662447857316 20.1784384247504 20.1780061890429 2457915.983780988 11752.9827759092 8498277.50582773 318.836470986703 78.8816538272479 14743.3877547396 T 2 CATAB v2.0f-lin.ifort 2020-Feb-03 05:40:42 2020-Feb-03 05:40
2020-Feb-03 12:42 00:01 Moon 0.00112254442294227 0.00109838346261161 0.00114673877276036 23.4306582554042 23.4294121858258 2458883.028897257 1.42626271961274 1243.69719846091 7.34711504426457 14.2128244889363 5425.67917399397 T 2 CATAB v2.0f-lin.ifort 2020-Feb-03 05:40:42 2020-Feb-03 05:40
2020-Feb-03 13:45 00:01 Earth 0.00363798657638562 0.00361304034534388 0.00366293204219143 22.4715215018377 22.4389052480052 2458883.073175475 1.17552129167027 1241.15822005485 13.0594888082112 -0.32625218582095 375.52993201888 T 2 CATAB v2.0f-lin.ifort 2020-Feb-03 05:40:42 2020-Feb-03 05:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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