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135243 (2001 ST17)
Classification: Main-belt Asteroid          SPK-ID: 2135243
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013547117932453 5.0971e-08  
a 3.039424523837274 2.093e-08 au
q 2.427422074822698 1.5398e-07 au
i 2.428918156081265 4.1975e-06 deg
node 112.212329456019 0.00012764 deg
peri 256.6823349284421 0.00012807 deg
M 217.4194695049414 1.0897e-05 deg
tp 2459967.054782055588
(2023-Jan-22.55478206)
6.2742e-05 TDB
period 1935.46566688904
5.30
1.9992e-05
5.474e-08
d
yr
n .1860017494284174 1.9213e-09 deg/d
Q 3.65142697285185 2.5145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      6837 days (18.72 yr)  
   first obs. used      2001-08-27  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54737  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:12:07  

Additional Information
 Earth MOID = 1.42664 au 
 Jupiter MOID = 1.81352 au 
 T_jup = 3.208 
[ 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 15.3   n/a MPO338178  
rotation period rot_per 4.78 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:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

135243 (2001 ST17)          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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