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(2019 BZ4)
Classification: Apollo [NEO]          SPK-ID: 3838075
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3696379795725802 1.4197e-08  
a 1.585914820030289 2.9961e-09 au
q .9997004701800808 2.3658e-08 au
i 1.825779049774602 3.5722e-06 deg
node 109.5930962912188 2.5399e-05 deg
peri 354.0328335343178 3.3791e-05 deg
M 350.0853822652476 1.2641e-05 deg
tp 2459220.590543547937
(2021-Jan-06.09054355)
2.5612e-05 TDB
period 729.4881023910516
2.00
2.0672e-06
5.66e-09
d
yr
n .4934967394533561 1.3984e-09 deg/d
Q 2.172129169880497 4.1035e-09 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      737 days (2.02 yr)  
   first obs. used      2019-01-30  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48138  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:03:48  

Additional Information
 Earth MOID = .0166657 au 
 Jupiter MOID = 2.98818 au 
 T_jup = 4.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458933.5 (2020-Mar-25.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3692382019750556 1.416e-08  
q 1.000170297969254 2.3498e-08 au
tp 2459220.585308521730
(2021-Jan-06.08530852)
2.5714e-05 TDB
node 109.6495638653759 2.5339e-05 deg
peri 353.9399636834174 3.4186e-05 deg
i 1.82506553851671 3.5724e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      737 days (2.02 yr)  
   first obs. used      2019-01-30  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48138  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:03:48  

Additional Information
 Jupiter MOID = 2.98818 au 
 T_jup = 4.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.005107761657269E-16 -3.317475454246266E-16 -9.174074407558767E-14 2.085874662914983E-14 -1.166135233133718E-13 -3.120519149564451E-15
q -3.317475454246266E-16 5.521485195204208E-16 1.322690679472185E-13 -3.743344666884001E-14 1.71678309791028E-13 6.940394630523442E-15
tp -9.174074407558767E-14 1.322690679472185E-13 6.611945177214945E-10 1.463467989764535E-10 6.063474554955514E-10 -4.17949867710188E-11
node 2.085874662914983E-14 -3.743344666884001E-14 1.463467989764535E-10 6.420460010024487E-10 -4.756726238786604E-10 2.041735752153351E-11
peri -1.166135233133718E-13 1.71678309791028E-13 6.063474554955514E-10 -4.756726238786604E-10 1.168689358347057E-9 -6.887016273875121E-11
i -3.120519149564451E-15 6.940394630523442E-15 -4.17949867710188E-11 2.041735752153351E-11 -6.887016273875121E-11 1.276199421792154E-11

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 26.23   .3316 E2021C27 autocmod 2.6q

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