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JPL Small-Body Database Browser
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(2020 BZ4)
Classification: Aten [NEO]          SPK-ID: 3989083
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2809532790559361 0.00023398  
a .9453954463094337 2.0835e-05 au
q .6797834956642481 0.00020624 au
i 6.069912608042983 0.0059057 deg
node 124.8944517519021 0.00038364 deg
peri 121.2613976833033 0.0015026 deg
M 109.5022827731552 0.0074531 deg
tp 2459294.373286050437
(2021-Mar-20.87328605)
0.010312 TDB
period 335.7520600552811
0.92
0.011099
3.039e-05
d
yr
n 1.072219780098226 3.5445e-05 deg/d
Q 1.211007396954619 2.6689e-05 au
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      7 days  
   first obs. used      2020-01-21  
   last obs. used      2020-01-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .75917  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:15:07  

Additional Information
 Earth MOID = .0118986 au 
 Jupiter MOID = 3.80703 au 
 T_jup = 6.317 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458873.5 (2020-Jan-25.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .281050268040306 0.00023368  
q .6788888951444219 0.00020426 au
tp 2458958.732637821084
(2020-Apr-19.23263782)
0.021832 TDB
node 124.9799957744728 0.00015891 deg
peri 121.4467944802505 0.0010034 deg
i 6.135061608338255 0.0058015 deg
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      7 days  
   first obs. used      2020-01-21  
   last obs. used      2020-01-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .75917  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:15:07  

Additional Information
 Jupiter MOID = 3.80703 au 
 T_jup = 6.317 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.460557158464993E-8 -4.773039576383664E-8 -5.101527531594725E-6 3.707694663282551E-8 2.248565094190138E-7 1.355534788343419E-6
q -4.773039576383664E-8 4.172128966699217E-8 4.459093519664588E-6 -3.240510862483592E-8 -1.967302784761298E-7 -1.184908109853347E-6
tp -5.101527531594725E-6 4.459093519664588E-6 .0004766474660560306 -3.465068809878082E-6 -2.095296509441378E-5 -.000126625869288162
node 3.707694663282551E-8 -3.240510862483592E-8 -3.465068809878082E-6 2.525311877145047E-8 1.509675193461386E-7 9.19917173005199E-7
peri 2.248565094190138E-7 -1.967302784761298E-7 -2.095296509441378E-5 1.509675193461386E-7 1.006711776170634E-6 5.602993074704912E-6
i 1.355534788343419E-6 -1.184908109853347E-6 -.000126625869288162 9.19917173005199E-7 5.602993074704912E-6 3.365700171374817E-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 27.6   .72352 MPO545161 autocmod 2.8

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