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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 ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146676755563382 4.937e-08  
a 2.32493312330755 1.4592e-08 AU
q 1.983919475878958 1.1859e-07 AU
i 4.880189531765919 7.127e-06 deg
node 336.1630674779372 6.512e-05 deg
peri 99.0735475011757 7.3576e-05 deg
M 7.286857307651029 2.9648e-05 deg
tp 2456774.290913227820
(2014-Apr-26.79091323)
0.00010659 JED
period 1294.834088225921
3.55
1.219e-05
3.337e-08
d
yr
n .2780278981481276 2.6175e-09 deg/d
Q 2.665946770736142 1.6732e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      934  
   data-arc span      10290 days (28.17 yr)  
   first obs. used      1985-12-09  
   last obs. used      2014-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47537  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:09:17  

Additional Information
 Earth MOID = 1.00512 AU 
 T_jup = 3.556 
[ 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 14.0 mag n/a PDS3 (MPC 35871)  

11649 (1997 BR6)          Discovered 1997-Jan-29 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
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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