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JPL Small-Body Database Browser
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15022 (1998 SM144)
Classification: Main-belt Asteroid          SPK-ID: 2015022
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .178748236787264 3.9573e-08  
a 2.405914182197805 1.0007e-08 au
q 1.975861264268475 9.5929e-08 au
i 2.235316844625675 5.0356e-06 deg
node 209.5162683298375 0.00011425 deg
peri 245.1055119650864 0.0001151 deg
M 236.2165134720224 1.4301e-05 deg
tp 2459469.182605326340
(2021-Sep-11.68260533)
5.5166e-05 TDB
period 1363.071461711874
3.73
8.504e-06
2.328e-08
d
yr
n .2641094103370619 1.6477e-09 deg/d
Q 2.835967100127134 1.1795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      9958 days (27.26 yr)  
   first obs. used      1992-01-30  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58915  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:17:58  

Additional Information
 Earth MOID = .993837 au 
 Jupiter MOID = 2.34664 au 
 T_jup = 3.500 
[ 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 15.5   n/a MPO384885  

15022 (1998 SM144)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SM144 = 1992 CS6 = 1996 EJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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