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(2021 BQ1)
Classification: Apollo [NEO]          SPK-ID: 54106531
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 2459233.5 (2021-Jan-19.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5153992597414844 0.000809  
a 2.038165321493962 0.003413 au
q .9876964235652095 9.9392e-06 au
i 6.337393226401759 0.0073779 deg
node 118.2871699481959 0.00011569 deg
peri 14.92481051459175 0.0065853 deg
M 356.0936271224965 0.01017 deg
tp 2459245.032639962389
(2021-Jan-30.53263996)
0.0047744 TDB
period 1062.814666354481
2.91
2.6696
0.007309
d
yr
n .3387232143068008 0.00085081 deg/d
Q 3.088634219422714 0.005172 au
  Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      1 day  
   first obs. used      2021-01-18  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .33821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-19 07:12:06  

Additional Information
 Earth MOID = .012259 au 
 Jupiter MOID = 1.97536 au 
 T_jup = 3.619 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 6.544822814795675E-7 4.073389659885377E-9 -5.318559658298623E-7 9.319430532094734E-8 2.359657739698566E-6 5.967986602753747E-6
q 4.073389659885377E-9 9.878749002060641E-11 -4.38261970319797E-8 5.644632493862032E-10 -3.589914517917096E-8 3.722869822820218E-8
tp -5.318559658298623E-7 -4.38261970319797E-8 2.279476649976636E-5 -6.726096216783429E-8 2.600262944073307E-5 -4.893353095077089E-6
node 9.319430532094734E-8 5.644632493862032E-10 -6.726096216783429E-8 1.33852158996149E-8 3.464679094391543E-7 8.505223936564403E-7
peri 2.359657739698566E-6 -3.589914517917096E-8 2.600262944073307E-5 3.464679094391543E-7 4.336655660764304E-5 2.146169372238811E-5
i 5.967986602753747E-6 3.722869822820218E-8 -4.893353095077089E-6 8.505223936564403E-7 2.146169372238811E-5 5.443275320487082E-5

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 27.9   .3098 E2021B84 autocmod 2.8

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