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18391 (1992 PO1)
Classification: Main-belt Asteroid          SPK-ID: 2018391
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2483315885682613 3.885e-08  
a 2.396795166247135 9.0826e-09 au
q 1.801595215140254 9.3414e-08 au
i 3.125740895949609 4.606e-06 deg
node 299.1544211579413 6.7055e-05 deg
peri 20.5234166642495 6.7428e-05 deg
M 177.5509889767776 6.9936e-06 deg
tp 2458332.055426424943
(2018-Aug-01.55542642)
2.5732e-05 TDB
period 1355.329237385969
3.71
7.704e-06
2.109e-08
d
yr
n .2656181170372552 1.5098e-09 deg/d
Q 2.991995117354016 1.1338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1105  
   data-arc span      10626 days (29.09 yr)  
   first obs. used      1991-03-17  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:48:38  

Additional Information
 Earth MOID = .788986 au 
 Jupiter MOID = 2.33015 au 
 T_jup = 3.484 
[ 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 15.3   n/a MPO452431  

18391 (1992 PO1)          Discovered 1992-Aug-08 by Elst, E. W. at Caussols
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 PO1 = 1999 JB29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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