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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2097542751313812 4.0797e-08  
a 2.307922287519169 6.9353e-09 au
q 1.823825721041027 9.5173e-08 au
i 6.737021963950061 5.8211e-06 deg
node 178.1945663758341 3.0295e-05 deg
peri 223.5046029579969 3.3385e-05 deg
M 34.30588558380667 1.3373e-05 deg
tp 2458878.461648468756
(2020-Jan-29.96164847)
4.7485e-05 TDB
period 1280.649247311252
3.51
5.7725e-06
1.58e-08
d
yr
n .2811074154424618 1.2671e-09 deg/d
Q 2.792018853997312 8.39e-09 au
  Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      15421 days (42.22 yr)  
   first obs. used      1977-09-09  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:45:40  

Additional Information
 Earth MOID = .83826 au 
 Jupiter MOID = 2.63579 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 15.7   n/a MPO502278  

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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