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15242 (1989 SX5)
Classification: Main-belt Asteroid          SPK-ID: 2015242
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083605839182491 2.4586e-08  
a 2.575837953140403 8.3444e-09 au
q 2.296718648459322 6.3074e-08 au
i 2.884025661848922 2.9693e-06 deg
node 94.45031519778647 8.5744e-05 deg
peri 11.83782653116407 8.8916e-05 deg
M 71.96325302691181 2.2992e-05 deg
tp 2458698.654629056676
(2019-Aug-03.15462906)
9.636e-05 TDB
period 1509.997519136047
4.13
7.3374e-06
2.009e-08
d
yr
n .2384109877253148 1.1585e-09 deg/d
Q 2.854957257821485 9.2486e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1818  
   data-arc span      11217 days (30.71 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49801  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:48:57  

Additional Information
 Earth MOID = 1.31364 au 
 Jupiter MOID = 2.24844 au 
 T_jup = 3.417 
[ 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 14.5   n/a MPO332961  

15242 (1989 SX5)          Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 SX5 = 1989 TT8 = 1999 BB4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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