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17687 (1997 BN2)
Classification: Main-belt Asteroid          SPK-ID: 2017687
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08230477309847385 3.9312e-08  
a 3.067352784493373 2.2634e-08 au
q 2.814895009552675 1.2803e-07 au
i 9.614153878152889 5.4272e-06 deg
node 345.7187536931797 2.6865e-05 deg
peri 297.292101382825 4.4949e-05 deg
M 23.01607941559843 3.7496e-05 deg
tp 2459075.049364452728
(2020-Aug-13.54936445)
0.00020415 TDB
period 1962.203378843515
5.37
2.1719e-05
5.946e-08
d
yr
n .1834672205142043 2.0307e-09 deg/d
Q 3.319810559434072 2.4497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1286  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1997-01-30  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53755  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:10:14  

Additional Information
 Earth MOID = 1.81333 au 
 Jupiter MOID = 1.91547 au 
 T_jup = 3.205 
[ 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 13.68   n/a E2021B10  
diameter diameter 6.057 km 0.329 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.192   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17687 (1997 BN2)          Discovered 1997-Jan-30 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 BN2 = 1999 RC60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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