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437779 (2015 BT464)
Classification: Main-belt Asteroid          SPK-ID: 2437779
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03805365601662375 8.3659e-08  
a 2.659655015453264 4.6197e-08 au
q 2.558445418372317 2.1428e-07 au
i 21.2423798302957 1.0702e-05 deg
node 282.1812605626936 3.2987e-05 deg
peri 136.2834268551886 0.00029721 deg
M 172.069465438894 0.00028572 deg
tp 2458243.252763040893
(2018-May-04.75276304)
0.0012667 TDB
period 1584.296229490458
4.34
4.1278e-05
1.13e-07
d
yr
n .2272302321364378 5.9204e-09 deg/d
Q 2.760864612534211 4.7955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      7241 days (19.82 yr)  
   first obs. used      1999-06-08  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:24:03  

Additional Information
 Earth MOID = 1.59347 au 
 Jupiter MOID = 2.4494 au 
 T_jup = 3.288 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457406.5 (2016-Jan-19.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03836055227593382 8.0523e-08  
q 2.557549165172255 2.0658e-07 au
tp 2456665.130510840518
(2014-Jan-07.63051084)
0.0012845 TDB
node 282.1936148039976 3.2988e-05 deg
peri 137.7201424101216 0.00029638 deg
i 21.24188304005228 1.0702e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      7241 days (19.82 yr)  
   first obs. used      1999-06-08  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:24:03  

Additional Information
 Jupiter MOID = 2.4494 au 
 T_jup = 3.288 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.483931875572487E-15 -1.626048694036518E-14 -5.627232326360217E-11 -1.219832753037533E-13 -1.312100195345139E-11 -3.059292910902194E-14
q -1.626048694036518E-14 4.267704929247964E-14 1.19129611630174E-10 2.748407157721902E-13 2.805545736959594E-11 8.133950232841295E-14
tp -5.627232326360217E-11 1.19129611630174E-10 1.649922882670227E-6 2.757545981849076E-9 3.785067570946639E-7 3.120176265113629E-10
node -1.219832753037533E-13 2.748407157721902E-13 2.757545981849076E-9 1.088239892977092E-9 -3.747984791292525E-10 2.243539272353395E-10
peri -1.312100195345139E-11 2.805545736959594E-11 3.785067570946639E-7 -3.747984791292525E-10 8.783840222814045E-8 -1.351236561716963E-10
i -3.059292910902194E-14 8.133950232841295E-14 3.120176265113629E-10 2.243539272353395E-10 -1.351236561716963E-10 1.145289795779036E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO472432  

437779 (2015 BT464)          Discovered 1999-Jun-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2015 BT464 = 2004 TY10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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