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43809 (1991 RE14)
Classification: Main-belt Asteroid          SPK-ID: 2043809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616817762998572 1.0522e-08  
a 2.391038919130346 8.9665e-09 au
q 2.004451499483261 2.9642e-08 au
i 8.544165847195393 3.8841e-07 deg
node 343.3213249177918 2.4957e-06 deg
peri 335.0486973031539 7.6809e-06 deg
M 50.06198613314874 9.5892e-06 deg
tp 2459208.705024030153
(2020-Dec-25.20502403)
3.5414e-05 TDB
period 1350.449643954079
3.70
7.5964e-06
2.08e-08
d
yr
n .2665778776807479 1.4995e-09 deg/d
Q 2.777626338777431 1.0416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1750  
   data-arc span      10590 days (28.99 yr)  
   first obs. used      1991-09-10  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:34  

Additional Information
 Earth MOID = .994704 au 
 Jupiter MOID = 2.54268 au 
 T_jup = 3.499 
[ 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 14.18   n/a E2021B10  

43809 (1991 RE14)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RE14 = 2001 FQ44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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