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JPL Small-Body Database Browser
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(2020 AA2)
Classification: Apollo [NEO]          SPK-ID: 3976544
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458854.5 (2020-Jan-06.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5305111209246635 0.001614  
a 1.989970041458407 0.0066418 au
q .9342688041578084 0.00016113 au
i 4.788501749640343 0.013226 deg
node 104.4055149323316 0.0016787 deg
peri 321.1895988103575 0.023657 deg
M 10.99294387535574 0.059821 deg
tp 2458823.190239599927
(2019-Dec-05.69023960)
0.018518 TDB
period 1025.340788766787
2.81
5.1333
0.01405
d
yr
n .3511027786507784 0.0017578 deg/d
Q 3.045671278759005 0.010165 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      1 day  
   first obs. used      2020-01-05  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .37867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-07 06:11:37  

Additional Information
 Earth MOID = .0100666 au 
 Jupiter MOID = 2.30211 au 
 T_jup = 3.660 
[ 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 27.0   .58023 E2020A81 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
2019-Dec-31 01:32 00:36 Earth 0.010987167715275 0.0108416893966879 0.0111326469759093 9.71468518202165 9.6896899635989 2458848.563548791 35.998724440128 7256.29990032569 317.588576442797 3.88728399796149 238.89571306194 T 3 CATAB v2.0f-lin.ifort 2020-Jan-07 06:11:39 2020-Jan-07 06:11
2137-Sep-29 10:58 7_05:26 Earth 0.289791363562183 0.171385132874762 0.409438133542231 17.7844551869759 17.7839381844492 2501854.957167263 10405.7620785664 6010286.28758285 24953.0661529109 8.2617860518331 225.829756833304 T 3 CATAB v2.0f-lin.ifort 2020-Jan-07 06:11:39 2020-Jan-07 06:11
2151-Dec-31 01:14 5_04:53 Earth 0.00865079147559179 0.00800125949868784 0.0318216073728961 9.40265038125407 9.36983596281987 2507060.551358785 7493.34884823308 1381414.65638668 3876.37441661728 -69.0711656125575 264.86552659402 T 3 CATAB v2.0f-lin.ifort 2020-Jan-07 06:11:39 2020-Jan-07 06:11
2151-Dec-31 05:29 4_11:46 Moon 0.00840632642645747 0.00833697130044497 0.0312842384617675 10.2758387889076 10.2754593837271 2507060.728679630 6465.7289086089 1473063.74319951 2392.08737239914 -85.9113714925373 515.745509877256 T 3 CATAB v2.0f-lin.ifort 2020-Jan-07 06:11:39 2020-Jan-07 06:11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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