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79897 (1999 BY5)
Classification: Main-belt Asteroid          SPK-ID: 2079897
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2015665651234073 3.262e-08  
a 2.691582729711292 1.279e-08 au
q 2.149049644137902 8.9913e-08 au
i 1.448173641869118 3.9294e-06 deg
node 259.7777067774104 0.00022188 deg
peri 194.467803218421 0.00022238 deg
M 326.1537042879124 1.5864e-05 deg
tp 2459152.141708961663
(2020-Oct-29.64170896)
7.1603e-05 TDB
period 1612.909598455776
4.42
1.1496e-05
3.147e-08
d
yr
n .2231991181307802 1.5909e-09 deg/d
Q 3.234115815284681 1.5368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      7946 days (21.75 yr)  
   first obs. used      1999-01-21  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:37  

Additional Information
 Earth MOID = 1.16584 au 
 Jupiter MOID = 1.95845 au 
 T_jup = 3.342 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456836.5 (2014-Jun-28.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1990482441890351 3.2503e-08  
q 2.157775217646043 8.9429e-08 au
tp 2457537.125924671607
(2016-May-28.62592467)
6.8242e-05 TDB
node 259.9787777020816 0.00022294 deg
peri 194.090313960301 0.00022345 deg
i 1.442610387638789 3.9216e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      7946 days (21.75 yr)  
   first obs. used      1999-01-21  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:37  

Additional Information
 Jupiter MOID = 1.95845 au 
 T_jup = 3.342 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.056436428678334E-15 -2.887593701202698E-15 -1.907280203726035E-13 -3.2056766235129E-15 -1.684202073417351E-14 5.351547906489404E-17
q -2.887593701202698E-15 7.997512867541956E-15 7.531849891150159E-13 1.139910525673309E-14 8.220873666711981E-14 -1.424014884398533E-16
tp -1.907280203726035E-13 7.531849891150159E-13 4.656935880132359E-9 -1.990438060837242E-11 1.069797161475026E-9 6.691919913655584E-14
node -3.2056766235129E-15 1.139910525673309E-14 -1.990438060837242E-11 4.970399075390664E-8 -4.969256641655122E-8 -1.815717459680225E-10
peri -1.684202073417351E-14 8.220873666711981E-14 1.069797161475026E-9 -4.969256641655122E-8 4.993070822533437E-8 1.815248060008143E-10
i 5.351547906489404E-17 -1.424014884398533E-16 6.691919913655584E-14 -1.815717459680225E-10 1.815248060008143E-10 1.537914702331461E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO493434  
diameter diameter 4.230 km 1.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79897 (1999 BY5)          Discovered 1999-Jan-21 by Korlevic, K. at Visnjan
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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