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JPL Small-Body Database Browser
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437620 (2014 BG21)
Classification: Main-belt Asteroid          SPK-ID: 2437620
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03750077380804849 5.0087e-08  
a 3.033263787235904 4.8536e-08 au
q 2.919514048050626 1.4672e-07 au
i 9.41202855549958 6.5572e-06 deg
node 320.1662086221557 3.3505e-05 deg
peri 91.47418685613071 9.8027e-05 deg
M 81.79415199901352 9.0026e-05 deg
tp 2458162.086972524394
(2018-Feb-12.58697252)
0.00048473 TDB
period 1929.584035459179
5.28
4.6314e-05
1.268e-07
d
yr
n .186568707754846 4.478e-09 deg/d
Q 3.147013526421182 5.0356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      4652 days (12.74 yr)  
   first obs. used      2006-08-29  
   last obs. used      2019-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46961  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:46  

Additional Information
 Earth MOID = 1.94892 au 
 Jupiter MOID = 2.01192 au 
 T_jup = 3.221 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457320.5 (2015-Oct-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03787028930349975 4.9956e-08  
q 2.917821808260565 1.4668e-07 au
tp 2458168.987186878688
(2018-Feb-19.48718688)
0.00048043 TDB
node 320.1886356096267 3.3505e-05 deg
peri 92.88748870810016 9.7333e-05 deg
i 9.412768963965155 6.5576e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      4652 days (12.74 yr)  
   first obs. used      2006-08-29  
   last obs. used      2019-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46961  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:46  

Additional Information
 Jupiter MOID = 2.01192 au 
 T_jup = 3.221 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.495611696623953E-15 -6.974648161219524E-15 -1.447149019944544E-12 2.985384616108882E-15 -3.542009440697372E-13 -7.00949562262635E-16
q -6.974648161219524E-15 2.151490560224541E-14 -6.476134008438389E-13 -5.620816336657694E-15 -6.565887000178314E-14 5.508514271364397E-15
tp -1.447149019944544E-12 -6.476134008438389E-13 2.308109092627122E-7 -3.283359560089108E-11 4.389490765807852E-8 -1.706194390610557E-11
node 2.985384616108882E-15 -5.620816336657694E-15 -3.283359560089108E-11 1.122573632320337E-9 -1.113337517845259E-9 2.087645222872369E-12
peri -3.542009440697372E-13 -6.565887000178314E-14 4.389490765807852E-8 -1.113337517845259E-9 9.473732502820301E-9 -5.510331322914809E-12
i -7.00949562262635E-16 5.508514271364397E-15 -1.706194390610557E-11 2.087645222872369E-12 -5.510331322914809E-12 4.300154281012431E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO428071  

437620 (2014 BG21)          Discovered 2006-Aug-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2014 BG21 = 2014 CF3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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