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(2020 DK2)
Classification: Apollo [NEO]          SPK-ID: 3991736
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4016487099816949 0.00045658  
a 1.284393323052938 0.00073207 au
q .7685184017396229 0.00015104 au
i 11.56102317075826 0.011244 deg
node 332.2497731712338 0.00058852 deg
peri 257.9914803206585 0.0078952 deg
M 30.87717208207016 0.012149 deg
tp 2458954.898355658657
(2020-Apr-15.39835566)
0.021106 TDB
period 531.6740768632826
1.46
0.45456
0.001245
d
yr
n .6771065501705328 0.0005789 deg/d
Q 1.800268244366253 0.0010261 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      1 day  
   first obs. used      2020-02-20  
   last obs. used      2020-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .52399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:47:34  

Additional Information
 Earth MOID = .00235922 au 
 Jupiter MOID = 3.25332 au 
 T_jup = 4.943 
[ 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 26.274   .35942 5 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
1906-Feb-10 00:36 5_07:05 Earth 0.21115054398768 0.0879909851175279 0.334320518677186 19.07009294364 19.069431222701 2417251.525232453 7624.71737269343 6142174.15764349 623.91479096931 -0.679160798800629 547.312243851329 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
1957-May-25 21:24 6_02:03 Earth 0.296181573709194 0.28599179060543 0.306506252841521 10.4779728679773 10.4771142601463 2435984.391739196 8763.46063029753 600822.401410796 513.525360764392 -31.6426855195984 26320.965300955 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2011-Aug-29 04:04 6_15:53 Earth 0.472169266578593 0.328127388157256 0.616798422701627 26.1881586044521 26.18794312222 2455802.669463926 9593.16454394717 7245186.17678269 588.964849890275 6.27040859182119 13257.8738753336 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2014-Aug-08 10:43 4_10:52 Earth 0.0697914092366798 0.0683558554102595 0.126900212997848 13.4329467852828 13.4301043862592 2456877.946391182 6411.66955987851 4643523.73374763 3287.38584976959 78.6317304270083 3454.02770132453 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2017-Jan-31 04:23 7_03:52 Earth 0.458233727898094 0.423538561804242 0.493603588304949 7.88145826154862 7.88072046086553 2457784.682421218 10311.9809236977 1954711.66650631 952.518245264229 26.5966215345896 12926.0476774071 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2017-May-13 00:41 9_08:31 Earth 0.297422093808655 0.295296244481818 0.299550177665709 10.8195723953171 10.8187443661182 2457886.528580912 13471.397197583 113599.256619194 4248.65101365124 20.9629278221649 5374.46496515135 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2017-Aug-26 19:48 4_22:02 Earth 0.434937512650551 0.399332020126629 0.47101196600211 8.354199886039 8.35346655563771 2457992.325172920 7081.6753708501 1923913.39265891 6503.41608042635 -21.6695437384908 2648.53483041976 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2020-Feb-21 17:30 < 00:01 Earth 0.010153112846736 0.0101221490140707 0.0101840761379428 13.4997862556059 13.4803326870726 2458901.228855766 0.158821783375264 1539.58810833586 35.820981584749 0.10941616547239 698.414140251538 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2020-Feb-21 22:37 00:01 Moon 0.00973071043100957 0.00970035972238818 0.00976106169776306 13.2195562169958 13.2193014392262 2458901.442181610 1.03931615715403 1517.93976167603 43.1087507551502 4.42264294009533 2640.52176388687 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2030-Aug-20 08:19 6_21:55 Earth 0.267346307297571 0.121673696413754 0.41927533887676 20.1887660435319 20.1882723769816 2462733.846506265 9955.24946328722 7696841.35905073 1722.91269603444 12.7594300768845 5059.77447840422 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2039-Jan-29 07:39 9_10:59 Earth 0.486263600779395 0.28196465333473 0.690682887680679 27.126650350203 27.1264483526807 2465817.819068439 13619.3680136524 10197700.2706917 1087.26549098028 1.95859001827563 2089.50601217971 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2046-Aug-25 11:01 5_20:51 Earth 0.379224876302603 0.260880656162378 0.498460161236313 23.4532646882954 23.4529651067842 2468582.959053838 8450.54312920716 5994112.28092702 1183.20758033449 8.35790318657765 6846.11171461076 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2049-Jul-30 04:29 7_23:27 Earth 0.174895359070457 0.0935698745849592 0.261456652259357 8.93241862526647 8.93071291025796 2469652.686969098 11486.5665887032 4451594.61683518 4816.79389594527 -17.335107562423 2848.01169606128 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2055-Feb-04 12:51 1_02:16 Earth 0.35334717196133 0.329758595450777 0.376937880026077 23.183100537838 23.1827752691446 2471668.035181607 1575.71288608619 1177115.89813937 822.784879057113 2.12078596571815 2151.8469982342 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2065-Aug-07 08:44 5_01:02 Earth 0.0682168897276669 0.0651042863673092 0.147907604223181 12.5352007628249 12.5320844350107 2475504.863785881 7261.78757203255 5615945.30039826 3283.60870820985 -72.8064578240733 3465.18714631678 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2106-Jan-30 09:08 9_08:09 Earth 0.48827004982218 0.282258707230088 0.694375142748514 27.2097406952599 27.2095401421188 2490289.880430588 13449.2870533998 10280827.8192503 1093.5695211878 1.72000830898993 1835.24048973982 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
2167-Aug-26 11:44 1_02:49 Earth 0.357527518707018 0.143651312033271 0.57240377861365 22.8616062233564 22.8612802371393 2512777.988881348 1609.23662385905 10731608.7865836 120.74676839209 4.0436596865415 24167.2822798209 T 5 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:36 2020-Sep-11 07:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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