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14415 (1991 RQ7)
Classification: Main-belt Asteroid          SPK-ID: 2014415
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2805395476466244 7.4357e-08  
a 2.989190942086832 2.9448e-08 AU
q 2.150604667364405 2.1699e-07 AU
i 9.715283496627006 7.5741e-06 deg
node 305.2484491101076 3.8027e-05 deg
peri 8.646320721838496 4.0243e-05 deg
M 204.0149642222503 1.9995e-05 deg
tp 2457818.417215570046
(2017-Mar-05.91721557)
0.00011396 JED
period 1887.68234168792
5.17
2.7895e-05
7.637e-08
d
yr
n .19071005330171 2.8182e-09 deg/d
Q 3.827777216809259 3.771e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      10375 days (28.41 yr)  
   first obs. used      1986-10-02  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61047  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:38:38  

Additional Information
 Earth MOID = 1.13805 AU 
 T_jup = 3.175 
[ 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 13.2 mag n/a MPO256970  

14415 (1991 RQ7)          Discovered 1991-Sep-13 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RQ7 = 1986 TN9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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