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115217 (2003 SP138)
Classification: Main-belt Asteroid          SPK-ID: 2115217
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 .1534156035651359 3.5056e-08  
a 3.128319722258809 1.713e-08 au
q 2.648386663923756 1.1101e-07 au
i 3.886303090091149 4.1354e-06 deg
node 268.2680592407741 6.031e-05 deg
peri 111.6259618071652 6.2355e-05 deg
M 39.28612351962416 1.4318e-05 deg
tp 2458979.952670811973
(2020-May-10.45267081)
8.0339e-05 TDB
period 2020.994473227411
5.53
1.66e-05
4.545e-08
d
yr
n .1781301259201866 1.4631e-09 deg/d
Q 3.608252780593863 1.9758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      9925 days (27.17 yr)  
   first obs. used      1994-01-19  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53217  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:56:19  

Additional Information
 Earth MOID = 1.65281 au 
 Jupiter MOID = 1.8858 au 
 T_jup = 3.192 
[ 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 14.98   n/a MPCxxxxx  
diameter diameter 4.965 km 0.451 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115217 (2003 SP138)          Discovered 2003-Sep-20 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 SP138 = 1998 XL43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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