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(2021 BD)
Classification: Aten [NEO]          SPK-ID: 54106087
[ 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 2459231.5 (2021-Jan-17.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7854422303057146 0.00084768  
a .8641644720843779 0.00076401 au
q .1854132017794637 0.00056887 au
i 2.480865768049271 0.0076102 deg
node 113.205296604597 0.0042042 deg
peri 151.2863517342264 0.016701 deg
M 303.6150068381477 0.14601 deg
tp 2459277.457253806114
(2021-Mar-03.95725381)		 0.058084 TDB
period 293.4222466376819
0.80		 0.38912
0.001065		 d
yr
n 1.226900837019793 0.0016271 deg/d
Q 1.542915742389292 0.0013641 au
   Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      1 day  
   first obs. used      2021-01-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .38453  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-16 19:12:02  

Additional Information
 Earth MOID = .00274089 au 
 Jupiter MOID = 3.55828 au 
 T_jup = 6.525 
[ 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 26.9   .18387 E2021B25 autocmod 2.8

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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