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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619517616175206 1.0496e-08  
a 2.391936998639778 9.0064e-09 au
q 2.004558588031941 2.9625e-08 au
i 8.543088294604853 3.8834e-07 deg
node 343.3219437573846 2.4959e-06 deg
peri 335.1270961959843 7.6832e-06 deg
M 357.7553318849654 9.4336e-06 deg
tp 2459208.925053522017
(2020-Dec-25.42505352)
3.5432e-05 TDB
period 1351.210563205891
3.70
7.6316e-06
2.089e-08
d
yr
n .266427757303689 1.5048e-09 deg/d
Q 2.779315409247615 1.0465e-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 = .993528 au 
 Jupiter MOID = 2.54202 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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