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19157 (1990 SS6)
Classification: Main-belt Asteroid          SPK-ID: 2019157
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1496457390146429 3.4348e-08  
a 2.166646706498177 5.8293e-09 au
q 1.842417258920616 7.3253e-08 au
i 3.375478184922337 3.4064e-06 deg
node 144.4409303972105 6.813e-05 deg
peri 227.5474509393504 6.9553e-05 deg
M 166.2340605426992 1.5619e-05 deg
tp 2458662.604277081778
(2019-Jun-28.10427708)
4.9619e-05 TDB
period 1164.878362583343
3.19
4.7011e-06
1.287e-08
d
yr
n .3090451428779485 1.2472e-09 deg/d
Q 2.490876154075739 6.7016e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1683  
   data-arc span      11139 days (30.50 yr)  
   first obs. used      1990-09-15  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50219  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:47:10  

Additional Information
 Earth MOID = .842675 au 
 Jupiter MOID = 2.97395 au 
 T_jup = 3.675 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.78   n/a E2021B10  

19157 (1990 SS6)          Discovered 1990-Sep-22 by Elst, E. W. at La Silla
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 SS6 = 1998 DH14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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