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135270 (2001 ST118)
Classification: Main-belt Asteroid          SPK-ID: 2135270
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02987273555432824 4.768e-08  
a 3.001590468816732 2.4672e-08 au
q 2.911924750499378 1.4206e-07 au
i 3.860505398758987 4.2075e-06 deg
node 286.7646635866796 7.7708e-05 deg
peri 80.35145699174616 0.00011858 deg
M 239.1747536120816 9.3528e-05 deg
tp 2459838.000855644004
(2022-Sep-15.50085564)
0.00049835 TDB
period 1899.440016824082
5.20
2.3419e-05
6.412e-08
d
yr
n .1895295438715303 2.3368e-09 deg/d
Q 3.091256187134086 2.5409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      10446 days (28.60 yr)  
   first obs. used      1991-10-14  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57312  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:15  

Additional Information
 Earth MOID = 1.91078 au 
 Jupiter MOID = 2.06945 au 
 T_jup = 3.248 
[ 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 15.37   n/a E2021B55  

135270 (2001 ST118)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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