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(2020 BD9)
Classification: Apollo [NEO]          SPK-ID: 3989204
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.


Orbital Elements at Epoch 2458876.5 (2020-Jan-28.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3844112314431691 0.00077431  
a 1.648952041972389 0.0021566 au
q 1.015076356927055 5.0789e-05 au
i 9.679201226766574 0.014728 deg
node 131.5442382401118 0.0013243 deg
peri 16.15951789798815 0.0028565 deg
M 351.7099500284507 0.016364 deg
tp 2458894.310048896261
(2020-Feb-14.81004890)
0.00022657 TDB
period 773.4112127982414
2.12
1.5173
0.004154
d
yr
n .4654703656254239 0.00091316 deg/d
Q 2.282827727017724 0.0029856 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      28 days  
   first obs. used      2020-01-25  
   last obs. used      2020-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .49001  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:15:27  

Additional Information
 Earth MOID = .0374713 au 
 Jupiter MOID = 2.73417 au 
 T_jup = 4.180 
[ 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 24.9   .45013 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
2020-Feb-02 22:55 < 00:01 Earth 0.0420549077119727 0.0418354010669932 0.0422744092818807 7.57251355344814 7.56414219893096 2458882.454790943 0.19186705947754 10921.4854559381 7.30150888537028 0.140061770143992 340.802517843652 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 22:15:28 2021-Apr-15 22:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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