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(2020 XY)
Classification: Apollo [NEO]          SPK-ID: 54097975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4295416417272919 0.00010237  
a 1.770514354900652 0.0003285 au
q 1.010004712194889 6.148e-06 au
i 2.263942239230234 0.00045498 deg
node 67.62002521950416 0.00024889 deg
peri 38.81947516627903 0.00054704 deg
M 352.1982332118969 0.0022396 deg
tp 2459219.148249395133
(2021-Jan-04.64824940)
0.00016626 TDB
period 860.4935221192775
2.36
0.23948
0.0006557
d
yr
n .4183645672466765 0.00011643 deg/d
Q 2.531023997606415 0.0004696 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      81 days  
   first obs. used      2020-12-05  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .57194  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:19:41  

Additional Information
 Earth MOID = .0354807 au 
 Jupiter MOID = 2.62843 au 
 T_jup = 3.992 
[ 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 25.31   .61513 E2021-DA1 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
1933-Nov-10 13:48 3_01:24 Earth 0.499127927290487 0.441469140404503 0.556791064397802 20.3187745857955 20.318511858145 2427387.074654936 4403.80322547497 2876257.79769449 10.0668723981108 1.49628068887578 164796.118838812 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:19:42 2021-Apr-15 23:19
1940-Dec-01 01:09 04:19 Earth 0.175688583924002 0.175024765067046 0.176354405805924 10.4161112656461 10.4146551577366 2429964.547984669 258.981486274957 44432.3582803907 12.6960878474762 -41.7519955368858 1095863.14332849 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:19:42 2021-Apr-15 23:19
1955-Feb-28 01:03 4_22:55 Earth 0.429140572365292 0.346469497529972 0.511937010083154 18.1572022390657 18.1568602848679 2435166.543774077 7135.44951470774 4141780.51398213 6.26460579574793 -4.98896984760568 744073.513745586 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:19:42 2021-Apr-15 23:19
1995-Mar-02 07:51 7_08:40 Earth 0.457341765322433 0.327963143174386 0.586969042235248 19.025777531633 19.0254713123228 2449778.827160366 10600.0999490298 6479649.09208774 6.37853816256634 -4.53156797112315 713745.112995112 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:19:42 2021-Apr-15 23:19
2013-Nov-14 22:43 2_02:24 Earth 0.429782260736483 0.392281826862759 0.467282540187522 18.3636716170526 18.3633340124608 2456611.446802431 3023.84919020108 1869947.0410813 7.89523172109962 0.122017524370828 13645.320842837 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:19:42 2021-Apr-15 23:19
2020-Dec-25 02:46 < 00:01 Earth 0.0401029104428804 0.0400761059335609 0.0401297148033748 5.67024009342291 5.65851045983223 2459208.614995373 0.108101751221743 1331.05419225468 2.22327203656938 -0.0755501706720574 2494.97234055422 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:19:42 2021-Apr-15 23:19
2028-Feb-18 15:56 2_15:27 Earth 0.250480602485242 0.213872469492626 0.287230367447551 12.7363702845931 12.7355350531773 2461820.164187792 3806.76240045343 1852994.11084521 6.41422356071333 -9.15337017994086 740264.023921132 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:19:42 2021-Apr-15 23:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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