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15787 (1993 RY7)
Classification: Main-belt Asteroid          SPK-ID: 2015787
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1658787043838422 2.7223e-08  
a 2.447780963059503 1.0041e-08 au
q 2.04174622829176 6.8429e-08 au
i 1.218743171441463 3.1943e-06 deg
node 289.7883031400709 0.00022221 deg
peri 341.2402906381637 0.00022281 deg
M 63.90182236919433 1.5454e-05 deg
tp 2458752.204985741531
(2019-Sep-25.70498574)
6.0411e-05 TDB
period 1398.805258113265
3.83
8.6072e-06
2.357e-08
d
yr
n .2573624869594605 1.5836e-09 deg/d
Q 2.853815697827247 1.1707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1254  
   data-arc span      10353 days (28.34 yr)  
   first obs. used      1992-03-25  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:01:53  

Additional Information
 Earth MOID = 1.02559 au 
 Jupiter MOID = 2.24508 au 
 T_jup = 3.478 
[ 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 15.1   n/a MPO247502  

15787 (1993 RY7)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1993 RY7 = 2000 JW37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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