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115220 (2003 ST140)
Classification: Main-belt Asteroid          SPK-ID: 2115220
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09933413161699789 5.6374e-08  
a 2.368430617439851 1.6408e-08 au
q 2.133164618761354 1.431e-07 au
i 11.88445939808733 5.7962e-06 deg
node 288.7593048337314 2.5228e-05 deg
peri 340.337855782582 4.3624e-05 deg
M 358.9555987377811 3.6221e-05 deg
tp 2459204.362373904462
(2020-Dec-20.86237390)
0.00013395 TDB
period 1331.341368404862
3.65
1.3835e-05
3.788e-08
d
yr
n .270403976428173 2.8099e-09 deg/d
Q 2.603696616118349 1.8038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1999-07-12  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54467  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:34  

Additional Information
 Earth MOID = 1.1183 au 
 Jupiter MOID = 2.52354 au 
 T_jup = 3.511 
[ 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 15.59   n/a E2021B55  
diameter diameter 4.471 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.391 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.072   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115220 (2003 ST140)          Discovered 2003-Sep-19 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 ST140 = 1999 RU100 = 2000 YP6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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