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JPL Small-Body Database Browser
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(2019 BK2)
Classification: Apollo [NEO]          SPK-ID: 3837992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4791238924679785 0.00046047  
a 1.173212191639016 0.00055267 au
q .6110981996900428 0.00025362 au
i 2.744216146340792 0.0032505 deg
node 132.2256948458442 0.0026256 deg
peri 252.6465318231089 0.0016928 deg
M 13.2141380372673 0.5374 deg
tp 2459379.462745283978
(2021-Jun-13.96274528)
0.68084 TDB
period 464.1552616197926
1.27
0.32798
0.000898
d
yr
n .7756025402872408 0.00054805 deg/d
Q 1.73532618358799 0.00081746 au
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      1 day  
   first obs. used      2019-01-26  
   last obs. used      2019-01-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .55852  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:03:36  

Additional Information
 Earth MOID = .00615382 au 
 Jupiter MOID = 3.72209 au 
 T_jup = 5.268 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458510.5 (2019-Jan-27.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4795452448229975 0.00045976  
q .6108376452653523 0.00025297 au
tp 2458451.179614943890
(2018-Nov-28.67961494)
0.024512 TDB
node 132.2364024437538 0.0026323 deg
peri 252.6608277391215 0.0016816 deg
i 2.74194475596648 0.0032542 deg
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      1 day  
   first obs. used      2019-01-26  
   last obs. used      2019-01-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .55852  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:03:36  

Additional Information
 Jupiter MOID = 3.72209 au 
 T_jup = 5.268 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.113760683545836E-7 -1.159976050003936E-7 1.125906918783379E-5 -1.257194674943687E-7 -6.166527738384048E-7 1.314517926327646E-6
q -1.159976050003936E-7 6.3995840787404E-8 -6.159192881606892E-6 1.164767249430401E-7 3.552373279940646E-7 -7.496102921426558E-7
tp 1.125906918783379E-5 -6.159192881606892E-6 .0006008405797085746 -3.96029919288951E-6 -3.188899444051174E-5 6.839117566866091E-5
node -1.257194674943687E-7 1.164767249430401E-7 -3.96029919288951E-6 6.929137290631737E-6 2.519818907361498E-6 -4.849146186135732E-6
peri -6.166527738384048E-7 3.552373279940646E-7 -3.188899444051174E-5 2.519818907361498E-6 2.827829334979383E-6 -5.124136355324353E-6
i 1.314517926327646E-6 -7.496102921426558E-7 6.839117566866091E-5 -4.849146186135732E-6 -5.124136355324353E-6 1.058980746579048E-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 26.8   .17554 MPO467418 autocmod 2.6q

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