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15918 Thereluzia (1997 UE9)
Classification: Main-belt Asteroid          SPK-ID: 2015918
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .162513776193594 4.2508e-08  
a 2.243939174684894 7.5376e-09 au
q 1.879268145858115 9.7099e-08 au
i 6.637087099248502 4.0221e-06 deg
node 301.0834384672565 3.4154e-05 deg
peri 61.02787208825454 3.6052e-05 deg
M 336.4381455742428 1.067e-05 deg
tp 2459280.856685572484
(2021-Mar-07.35668557)
3.6502e-05 TDB
period 1227.764431583554
3.36
6.1862e-06
1.694e-08
d
yr
n .2932158569992754 1.4774e-09 deg/d
Q 2.608610203511673 8.7625e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1403  
   data-arc span      21974 days (60.16 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5351  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:12:22  

Additional Information
 Earth MOID = .884654 au 
 Jupiter MOID = 2.86411 au 
 T_jup = 3.606 
[ 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 15.09   n/a E2021B10  

15918 Thereluzia           Discovered 1997 Oct. 27 by N. Ehring at Bornheim.
Theresia Luzia Ehring (b. 1949) is the wife of the discoverer. With love and understanding she supports the work at the Bornheim observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040306/MPCPages.arcLast Updated: 2004-03-08

[ show close-approach data ]
Alternate Designations
 1997 UE9 = 3522 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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