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JPL Small-Body Database Browser
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215718 (2004 BY91)
Classification: Main-belt Asteroid          SPK-ID: 2215718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420126729173282 5.3526e-08  
a 2.64699167644509 2.1294e-08 au
q 2.271085313283203 1.4611e-07 au
i 4.087020950117615 5.3959e-06 deg
node 205.4099253358906 7.0584e-05 deg
peri 311.0588753849833 7.2479e-05 deg
M 172.8785311816746 1.5397e-05 deg
tp 2457845.119353571358
(2017-Apr-01.61935357)
6.5885e-05 TDB
period 1572.994812343344
4.31
1.8981e-05
5.197e-08
d
yr
n .2288628018192227 2.7616e-09 deg/d
Q 3.022898039606977 2.4318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      7169 days (19.63 yr)  
   first obs. used      2000-03-11  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:59:56  

Additional Information
 Earth MOID = 1.2834 au 
 Jupiter MOID = 1.97952 au 
 T_jup = 3.374 
[ show covariance matrix ]

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 16.5   n/a MPO459961  
diameter diameter 3.472 km 0.896 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215718 (2004 BY91)          Discovered 2004-Jan-26 by LONEOS at Anderson Mesa
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2004 BY91 = 2000 GH164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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