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14405 (1991 PE8)
Classification: Main-belt Asteroid          SPK-ID: 2014405
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1984000407671087 3.7505e-08  
a 2.39093246221737 7.4081e-09 au
q 1.91657136424204 9.1819e-08 au
i 2.182090510289126 2.9729e-06 deg
node 124.0232190346646 0.00010479 deg
peri 224.1809936479127 0.00010501 deg
M 316.4915868662449 8.4614e-06 deg
tp 2459363.699991830631
(2021-May-29.19999183)
3.2048e-05 TDB
period 1350.35945527155
3.70
6.276e-06
1.718e-08
d
yr
n .2665956820568238 1.239e-09 deg/d
Q 2.865293560192699 8.8779e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1701  
   data-arc span      10605 days (29.03 yr)  
   first obs. used      1991-08-05  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52273  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:28:13  

Additional Information
 Earth MOID = .908891 au 
 Jupiter MOID = 2.55604 au 
 T_jup = 3.504 
[ 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 15.15   n/a E2021B10  

14405 (1991 PE8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PE8 = 1999 XH73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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