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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3541874106950541 0.00028354  
a 1.495342804461845 0.00065039 au
q .9657112084480234 6.253e-06 au
i 18.61402610699329 0.0096299 deg
node 150.3502006871347 0.00012629 deg
peri 332.2375654440257 0.0049366 deg
M 67.27159621433856 0.047321 deg
tp 2458875.693039499674
(2020-Jan-27.19303950)
0.0065013 TDB
period 667.8971261059596
1.83
0.43575
0.001193
d
yr
n .5390051640121704 0.00035166 deg/d
Q 2.024974400475666 0.00088075 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .41234  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:47:34  

Additional Information
 Earth MOID = .00660547 au 
 Jupiter MOID = 3.07197 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 26.287   .33876 4 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_17:37 Earth 0.164712787705012 0.0490229858611336 0.293700192936898 14.4199749617781 14.4188531049721 2434074.319410725 12577.0072682122 6540091.60051161 547.74753289452 -13.9729994865467 9837.20288918682 T 4 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:52 2020-Sep-11 07:47
1963-Mar-13 10:47 5_01:38 Earth 0.315883781618935 0.233206822344766 0.399730096585379 17.7529086283163 17.752433488613 2438101.949050865 7297.73996184519 4261200.27865737 569.041096296926 -12.542274676761 16254.959134267 T 4 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:52 2020-Sep-11 07:47
1974-Mar-22 15:10 1_19:14 Earth 0.473086908761524 0.440942798207947 0.5052988716141 21.7019274360333 21.701667913115 2442129.131876395 2594.1963792175 1629272.45917704 531.637674795787 -9.96724726777061 21025.4686899276 T 4 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:52 2020-Sep-11 07:47
1987-Jan-03 08:36 4_16:52 Earth 0.359017828370567 0.332610572367935 0.385757592385388 14.1001336131715 14.0996072551822 2446798.858565153 6772.34348185069 1432776.50782013 1330.56692672205 22.2944977675046 14018.5411991778 T 4 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:52 2020-Sep-11 07:47
2020-Feb-19 02:59 < 00:01 Moon 0.00828668453797568 0.00827404307272496 0.00829932694368968 12.3176632194304 12.3173421379182 2458898.624200893 0.348812912104223 645.658244512392 42.3940089131238 -12.5222396320284 6460.46565388967 T 4 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:52 2020-Sep-11 07:47
2020-Feb-19 05:16 < 00:01 Earth 0.00722066125937856 0.00720742661313012 0.00723389569202378 11.8220892539285 11.7908345337204 2458898.719201680 0.227803429540121 657.037702110138 53.1822109327775 2.09125708939094 1160.86495970881 T 4 CATAB v2.0f-lin.ifort 2020-Sep-11 07:47:52 2020-Sep-11 07:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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