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216545 (2001 ST235)
Classification: Main-belt Asteroid          SPK-ID: 2216545
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155710482754593 4.9916e-08  
a 2.750085177798004 1.9859e-08 au
q 2.432254950953086 1.384e-07 au
i 10.73613865669576 5.9851e-06 deg
node 194.8885497228012 2.4533e-05 deg
peri 136.6995456347116 3.4106e-05 deg
M 117.4893358246664 2.3434e-05 deg
tp 2458656.857259805582
(2019-Jun-22.35725981)
0.00010859 TDB
period 1665.780005447112
4.56
1.8043e-05
4.94e-08
d
yr
n .2161149724590268 2.3409e-09 deg/d
Q 3.067915404642922 2.2154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      7945 days (21.75 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:16  

Additional Information
 Earth MOID = 1.43372 au 
 Jupiter MOID = 2.35613 au 
 T_jup = 3.311 
[ 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 16.33   n/a MPCxxxxx  

216545 (2001 ST235)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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