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(2020 DJ2)
Classification: Apollo [NEO]          SPK-ID: 3991735
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3541083019642625 0.00028295  
a 1.495346362368959 0.00065125 au
q .9658318011420501 5.4043e-06 au
i 18.61983154251937 0.0096441 deg
node 150.3385046989177 0.0001006 deg
peri 332.3199921412903 0.0049911 deg
M 280.5817236718582 0.1868 deg
tp 2459543.842855085151
(2021-Nov-25.34285509)
0.44282 TDB
period 667.8995098242711
1.83
0.43632
0.001195
d
yr
n .5390032403148767 0.00035212 deg/d
Q 2.024860923595868 0.00088187 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      1 day  
   first obs. used      2020-02-20  
   last obs. used      2020-02-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .41234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:19:57  

Additional Information
 Earth MOID = .0072338 au 
 Jupiter MOID = 3.07113 au 
 T_jup = 4.430 
[ 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 26.3   .33876 E2020R76 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
1952-Mar-02 19:40 8_17:28 Earth 0.164713053989808 0.0490806446007991 0.293603359239069 14.4199803162774 14.4188584617015 2434074.319429309 12567.5424109137 6535205.12164988 547.715361346096 -13.9730257869127 9837.80068555931 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 22:19:58 2021-Apr-15 22:19
1963-Mar-13 10:47 5_01:29 Earth 0.31588398736117 0.233304455861217 0.399629905115052 17.7529135781962 17.7524384389348 2438101.949063475 7288.89852890789 4256120.10559713 569.011552896565 -12.5423949189696 16255.9690239101 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 22:19:58 2021-Apr-15 22:19
1974-Mar-22 15:10 1_19:07 Earth 0.473087053618136 0.441023380437282 0.505218247772899 21.701931283261 21.7016717604682 2442129.131885956 2587.40713093586 1625194.24357561 531.618077912338 -9.96795586402991 21027.7394751841 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 22:19:58 2021-Apr-15 22:19
1987-Jan-03 08:36 4_17:04 Earth 0.35901774852703 0.332568997699293 0.38580007914008 14.1001318683142 14.0996055101426 2446798.858579490 6783.4922926812 1435048.69431887 1330.5788970592 22.2948730974446 14018.6729019942 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 22:19:58 2021-Apr-15 22:19
2020-Feb-19 02:59 < 00:01 Moon 0.00828668454790128 0.00827404308260056 0.00829932695366575 12.3176632149209 12.3173421334056 2458898.624200941 0.348812743357411 645.65824734944 42.3940092483563 -12.5222397395877 6460.46566185637 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 22:19:58 2021-Apr-15 22:19
2020-Feb-19 05:16 < 00:01 Earth 0.00722066125810826 0.00720742661181495 0.00723389569079836 11.8220892526426 11.79083453242 2458898.719201929 0.227803346339134 657.037704387503 53.182210642593 2.09125719875291 1160.86496232909 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 22:19:58 2021-Apr-15 22:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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