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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2098546424249719 4.0703e-08  
a 2.307994322255724 6.9221e-09 au
q 1.823650999039883 9.4967e-08 au
i 6.737439941185677 5.7758e-06 deg
node 178.1894797431996 2.9866e-05 deg
peri 223.5021609675601 3.2982e-05 deg
M 90.52179081583505 1.3251e-05 deg
tp 2458878.466414554585
(2020-Jan-29.96641455)
4.6912e-05 TDB
period 1280.709205104119
3.51
5.7616e-06
1.577e-08
d
yr
n .2810942550933977 1.2646e-09 deg/d
Q 2.792337645471564 8.3748e-09 au
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      15809 days (43.28 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56174  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:17:58  

Additional Information
 Earth MOID = .837055 au 
 Jupiter MOID = 2.63654 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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