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173788 (2001 SR90)
Classification: Main-belt Asteroid          SPK-ID: 2173788
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09584962792368888 6.8025e-08  
a 2.647003424238166 2.4627e-08 au
q 2.393289130912207 1.8827e-07 au
i 12.12078534829537 5.9513e-06 deg
node 349.7516534138938 2.342e-05 deg
peri 153.7603014739173 3.6442e-05 deg
M 338.9190956106427 2.642e-05 deg
tp 2459092.612149999149
(2020-Aug-31.11215000)
0.00011572 TDB
period 1573.005284177218
4.31
2.1952e-05
6.01e-08
d
yr
n .2288612782304179 3.1939e-09 deg/d
Q 2.900717717564124 2.6988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      7647 days (20.94 yr)  
   first obs. used      1999-02-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:09:19  

Additional Information
 Earth MOID = 1.40986 au 
 Jupiter MOID = 2.10085 au 
 T_jup = 3.354 
[ 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 15.8   n/a MPO412972  

173788 (2001 SR90)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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