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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1841597670621915 1.9516e-08  
a 2.552004639702902 1.0182e-08 au
q 2.082028059713584 5.1159e-08 au
i 12.9894444154627 1.2255e-06 deg
node 131.3197164388769 2.3997e-06 deg
peri 238.3581688386807 7.6351e-06 deg
M 61.62655871603673 6.4236e-06 deg
tp 2458945.590493292218
(2020-Apr-06.09049329)
2.6105e-05 TDB
period 1489.088865689357
4.08
8.9119e-06
2.44e-08
d
yr
n .2417585735108845 1.4469e-09 deg/d
Q 3.02198121969222 1.2057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1674  
   data-arc span      10748 days (29.43 yr)  
   first obs. used      1991-10-10  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49583  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:53:32  

Additional Information
 Earth MOID = 1.1092 au 
 Jupiter MOID = 2.50308 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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