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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459649294152673 3.3507e-08  
a 2.325243278031142 7.3622e-09 au
q 1.985839307080001 7.9627e-08 au
i 4.883102218913534 5.1066e-06 deg
node 336.0198987984694 4.4326e-05 deg
peri 99.41584779337488 4.8469e-05 deg
M 258.6136824004046 1.9918e-05 deg
tp 2459365.235362599525
(2021-May-30.73536260)
7.242e-05 TDB
period 1295.093200390119
3.55
6.1508e-06
1.684e-08
d
yr
n .2779722724909356 1.3202e-09 deg/d
Q 2.664647248982281 8.4368e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1787  
   data-arc span      12705 days (34.78 yr)  
   first obs. used      1985-12-09  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42326  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 16:26:47  

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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