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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842409878111615 1.9386e-08  
a 2.552297628315082 1.0179e-08 au
q 2.082059792086227 5.0787e-08 au
i 12.98952582481123 1.2253e-06 deg
node 131.319407704021 2.399e-06 deg
peri 238.391467642306 7.6216e-06 deg
M 108.9627459854249 6.5186e-06 deg
tp 2458945.713459073156
(2020-Apr-06.21345907)		 2.6094e-05 TDB
period 1489.345310326258
4.08		 8.9096e-06
2.439e-08		 d
yr
n .2417169460325745 1.446e-09 deg/d
Q 3.022535464543938 1.2054e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1722  
   data-arc span      10824 days (29.63 yr)  
   first obs. used      1991-10-10  
   last obs. used      2021-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49066  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:45:56  

Additional Information
 Earth MOID = 1.11005 au 
 Jupiter MOID = 2.50304 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 13.85   n/a MPCxxxxx  
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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