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14416 (1991 RU7)
Classification: Main-belt Asteroid          SPK-ID: 2014416
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2099975664061602 3.8892e-08  
a 2.307674415078537 6.5306e-09 au
q 1.823068403854285 9.0254e-08 au
i 6.738230797523538 5.7349e-06 deg
node 178.18926778 2.6957e-05 deg
peri 223.4759276587906 2.9981e-05 deg
M 145.6421870724635 1.3115e-05 deg
tp 2458878.481916532850
(2020-Jan-29.98191653)
4.6121e-05 TDB
period 1280.44293893629
3.51
5.4354e-06
1.488e-08
d
yr
n .2811527082175679 1.1935e-09 deg/d
Q 2.792280426302789 7.902e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      15977 days (43.74 yr)  
   first obs. used      1977-09-09  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:17:17  

Additional Information
 Earth MOID = .83688 au 
 Jupiter MOID = 2.63774 au 
 T_jup = 3.548 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.68   n/a MPCxxxxx  

14416 (1991 RU7)          Discovered 1991-Sep-08 by Oak Ridge Observatory at Harvard
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RU7 = 1977 RS18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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