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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2805395369267 8.2325e-08  
a 2.989190939169635 3.0974e-08 AU
q 2.150604697309498 2.3838e-07 AU
i 9.715283727588364 7.9182e-06 deg
node 305.2484489010388 4.1984e-05 deg
peri 8.646322196266391 4.4017e-05 deg
M 204.0149644719702 2.0004e-05 deg
tp 2457818.417213063297
(2017-Mar-05.91721306)
0.00011416 JED
period 1887.682338924593
5.17
2.934e-05
8.033e-08
d
yr
n .1907100535808853 2.9642e-09 deg/d
Q 3.827777181029772 3.9664e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      10249 days (28.06 yr)  
   first obs. used      1986-10-02  
   last obs. used      2014-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62561  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:22:08  

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 (399)
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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