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JPL Small-Body Database Browser
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11645 (1997 BY1)
Classification: Main-belt Asteroid          SPK-ID: 2011645
[ 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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184341663459608 4.3312e-08  
a 2.552966537757261 1.462e-08 au
q 2.082348439430371 1.1273e-07 au
i 12.98452625655828 5.8959e-06 deg
node 131.3316152757664 1.881e-05 deg
peri 238.1458846686565 2.5664e-05 deg
M 276.7660805802445 2.057e-05 deg
tp 2458944.979954794622
(2020-Apr-05.47995479)		 8.6812e-05 TDB
period 1489.930842985507
4.08		 1.2799e-05
3.504e-08		 d
yr
n .2416219529214094 2.0756e-09 deg/d
Q 3.02358463608415 1.7315e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1310  
   data-arc span      10172 days (27.85 yr)  
   first obs. used      1991-10-10  
   last obs. used      2019-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5342  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:10:14  

Additional Information
 Earth MOID = 1.11001 au 
 Jupiter MOID = 2.49632 au 
 T_jup = 3.380 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO302137  
diameter diameter 8.871 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.098   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11645 (1997 BY1)          Discovered 1997-Jan-29 by Kobayashi, T. at Oizumi
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 BY1 = 1991 TA2 = 1993 CE 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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