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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2784264667628678 9.2244e-08  
a 2.994338513715747 3.5303e-08 AU
q 2.160635421049895 2.6605e-07 AU
i 9.717034737368232 8.6502e-06 deg
node 305.2544939014698 4.6659e-05 deg
peri 8.369730208011557 4.9002e-05 deg
M 166.365172333362 2.2737e-05 deg
tp 2455925.899573483470
(2011-Dec-30.39957348)
0.00010919 JED
period 1892.56049887078
5.18
3.347e-05
9.164e-08
d
yr
n .1902184898262425 3.364e-09 deg/d
Q 3.828041606381599 4.5132e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      10033 days (27.47 yr)  
   first obs. used      1986-10-02  
   last obs. used      2014-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64053  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:05:41  

Additional Information
 Earth MOID = 1.14609 AU 
 T_jup = 3.174 
[ 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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