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11649 (1997 BR6)
Classification: Main-belt Asteroid          SPK-ID: 2011649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459649489060411 4.2209e-08  
a 2.325243281738949 8.9411e-09 au
q 1.985839264925807 9.6976e-08 au
i 4.883103102823244 5.1238e-06 deg
node 336.0199644153741 5.4017e-05 deg
peri 99.41577964639521 5.7549e-05 deg
M 258.61368164109 2.0027e-05 deg
tp 2459365.235366203549
(2021-May-30.73536620)
7.2948e-05 TDB
period 1295.093203487831
3.55
7.4699e-06
2.045e-08
d
yr
n .2779722718260584 1.6033e-09 deg/d
Q 2.664647298552089 1.0246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1610  
   data-arc span      12285 days (33.63 yr)  
   first obs. used      1985-12-09  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43978  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 22:32:23  

Additional Information
 Earth MOID = 1.00791 au 
 Jupiter MOID = 2.57918 au 
 T_jup = 3.556 
[ 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 14.1   n/a MPO337357  
diameter diameter 4.256 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.245   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11649 (1997 BR6)          Discovered 1997-Jan-29 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 BR6 = 1985 XP = 1988 TN4 = 1999 QC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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