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

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469316353904739 4.2353e-08  
a 2.325182527024793 1.239e-08 AU
q 1.983539655747685 9.8749e-08 AU
i 4.880946821806298 6.9362e-06 deg
node 336.1567385082217 5.8648e-05 deg
peri 99.00864641477861 6.6355e-05 deg
M 62.92736210170136 2.897e-05 deg
tp 2456774.128875194957
(2014-Apr-26.62887520)
0.00010347 JED
period 1295.042445893538
3.55
1.0351e-05
2.834e-08
d
yr
n .2779831666070308 2.222e-09 deg/d
Q 2.6668253983019 1.4211e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      10750 days (29.43 yr)  
   first obs. used      1985-12-09  
   last obs. used      2015-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47656  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:12:24  

Additional Information
 Earth MOID = 1.00522 AU 
 T_jup = 3.555 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO337357  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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