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17455 (1990 SH7)
Classification: Main-belt Asteroid          SPK-ID: 2017455
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07739515884059817 8.0603e-08  
a 2.913833936295465 1.3834e-08 au
q 2.688317295960752 2.3353e-07 au
i 3.076324026592695 3.4794e-06 deg
node 92.35290388324059 0.00014536 deg
peri 251.3532232419158 0.0001484 deg
M 39.7478701936331 2.992e-05 deg
tp 2458999.911059461058
(2020-May-30.41105946)
0.00015095 TDB
period 1816.751897453521
4.97
1.2938e-05
3.542e-08
d
yr
n .198155840929408 1.4112e-09 deg/d
Q 3.139350576630178 1.4905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1335  
   data-arc span      11109 days (30.41 yr)  
   first obs. used      1990-09-14  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48222  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:03:43  

Additional Information
 Earth MOID = 1.68048 au 
 Jupiter MOID = 2.17437 au 
 T_jup = 3.276 
[ 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 14.24   n/a E2021B10  

17455 (1990 SH7)          Discovered 1990-Sep-22 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 SH7 = 1994 LC9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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