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14418 (1991 RU16)
Classification: Main-belt Asteroid          SPK-ID: 2014418
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318707847384357 3.7294e-08  
a 2.265556033084792 7.3578e-09 au
q 1.966795381133003 8.5166e-08 au
i 6.442714248138645 3.9757e-06 deg
node 31.27098952422278 3.6283e-05 deg
peri 316.34224191 3.9127e-05 deg
M 215.1602980295422 1.5803e-05 deg
tp 2459701.624643659473
(2022-May-02.12464366)
5.5435e-05 TDB
period 1245.548487487268
3.41
6.0677e-06
1.661e-08
d
yr
n .2890292940150835 1.408e-09 deg/d
Q 2.564316685036582 8.3281e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      14381 days (39.37 yr)  
   first obs. used      1981-10-30  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53191  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:28:38  

Additional Information
 Earth MOID = .964909 au 
 Jupiter MOID = 2.84686 au 
 T_jup = 3.597 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.57   n/a E2021B10  

14418 (1991 RU16)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1991 RU16 = 1981 UG2 = 1998 TB29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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