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115225 (2003 SW142)
Classification: Main-belt Asteroid          SPK-ID: 2115225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358438359665221 3.6546e-08  
a 2.745879003606544 1.8088e-08 au
q 2.3728682666567 1.0749e-07 au
i 10.05355079632388 4.3017e-06 deg
node 57.89330288281542 2.1279e-05 deg
peri 231.3510143950695 2.7687e-05 deg
M 7.446000684986328 1.5959e-05 deg
tp 2459166.125127790859
(2020-Nov-12.62512779)
7.3765e-05 TDB
period 1661.959824989401
4.55
1.6421e-05
4.496e-08
d
yr
n .2166117342832254 2.1403e-09 deg/d
Q 3.118889740556389 2.0545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      8015 days (21.94 yr)  
   first obs. used      1998-09-28  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:35  

Additional Information
 Earth MOID = 1.36978 au 
 Jupiter MOID = 2.054 au 
 T_jup = 3.312 
[ 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 14.70   n/a E2021B55  
diameter diameter 3.334 km 1.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.276   0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115225 (2003 SW142)          Discovered 2003-Sep-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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