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(2020 KD4)
Classification: Amor [NEO]          SPK-ID: 54017214
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3810809105145712 0.00010806  
a 1.679567370497682 0.00030327 au
q 1.039516307677861 6.2123e-06 au
i 2.675744931495756 0.00057236 deg
node 241.424887325467 0.00029494 deg
peri 10.89976841302275 0.00069184 deg
M 358.7525374475429 0.00016944 deg
tp 2459003.254987208963
(2020-Jun-02.75498721)
0.00037305 TDB
period 795.0502347930924
2.18
0.21534
0.0005896
d
yr
n .4528015768634898 0.00012264 deg/d
Q 2.319618433317503 0.00041885 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      60 days  
   first obs. used      2020-04-27  
   last obs. used      2020-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-30 06:02:55  

Additional Information
 Earth MOID = .026699 au 
 Jupiter MOID = 2.73375 au 
 T_jup = 4.147 
[ 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 26.233   .36639 11 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
1957-May-29 22:58 9_14:29 Earth 0.0272313946565561 0.0258022236720147 0.0317040337250009 5.20162811195617 5.18278335328862 2435988.457006761 13829.091270707 485297.420893612 5.49284941029523 -71.4326970388952 760848.112466341 T 11 CATAB v2.0f-lin.ifort 2020-Jun-30 06:02:57 2020-Jun-30 06:03
1983-Jul-24 04:12 7_04:15 Earth 0.346698613988845 0.229644459772361 0.464140067447371 15.2555911276011 15.255087350548 2445539.675023414 10334.8974158037 5875167.17282672 12.3534309256336 -5.33860646929305 319264.193270097 T 11 CATAB v2.0f-lin.ifort 2020-Jun-30 06:02:57 2020-Jun-30 06:03
1994-Apr-13 13:15 5_09:06 Earth 0.40663266302742 0.307348910791326 0.505963904396366 17.0644798951248 17.0640959033459 2449456.051971521 7745.94753734773 4956909.50439648 6.10174567894452 2.49870969309503 359545.275934117 T 11 CATAB v2.0f-lin.ifort 2020-Jun-30 06:02:57 2020-Jun-30 06:03
2007-Apr-30 08:46 5_21:13 Earth 0.158815777154451 0.0958516065870381 0.221934119251925 9.64742716202393 9.64568797473681 2454220.865440486 8473.0896409797 3153284.8620449 4.76073630381379 4.26419838599713 286893.534443697 T 11 CATAB v2.0f-lin.ifort 2020-Jun-30 06:02:57 2020-Jun-30 06:03
2020-Jun-02 13:47 < 00:01 Earth 0.0267898173697678 0.0267700271128365 0.0268096074087006 5.19433972358876 5.17515679414855 2459003.074450129 0.0541789539566543 979.442158564527 3.49516995661813 0.183990036417494 2217.59416545223 T 11 CATAB v2.0f-lin.ifort 2020-Jun-30 06:02:57 2020-Jun-30 06:03
2033-Jul-10 22:24 6_02:57 Earth 0.165048205710401 0.103710748692845 0.226820833938299 9.72824606719525 9.72658646481767 2463789.433436408 8817.14231046746 3098479.1911288 9.57321977324939 -7.35525716454091 255159.244120077 T 11 CATAB v2.0f-lin.ifort 2020-Jun-30 06:02:57 2020-Jun-30 06:03
2046-Jul-29 00:06 5_14:52 Earth 0.420469146867089 0.320663036819441 0.520476243925755 17.3790178917652 17.3786532574402 2468555.504473165 8091.84198320085 5002987.07588224 13.673011105459 -5.12561211130855 342998.577310719 T 11 CATAB v2.0f-lin.ifort 2020-Jun-30 06:02:57 2020-Jun-30 06:03
2057-Apr-18 18:00 7_07:05 Earth 0.325923630121286 0.202661899466543 0.449326678000136 14.698724700503 14.6981685080791 2472472.249716477 10505.281537099 6159393.01796185 5.75798140941745 2.9703597847304 355177.247211336 T 11 CATAB v2.0f-lin.ifort 2020-Jun-30 06:02:57 2020-Jun-30 06:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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