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90820 McCann (1995 SS1)
Classification: Main-belt Asteroid          SPK-ID: 2090820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205473514199412 4.9554e-08  
a 2.673502497431241 1.7066e-08 au
q 2.351218852351306 1.3845e-07 au
i 9.456024819500675 5.1851e-06 deg
node 313.2489157132464 2.9824e-05 deg
peri 53.44209354840863 3.5685e-05 deg
M 311.9145158338372 2.0631e-05 deg
tp 2459609.770511503778
(2022-Jan-30.27051150)
9.2136e-05 TDB
period 1596.68526734701
4.37
1.5288e-05
4.186e-08
d
yr
n .2254671019781889 2.1589e-09 deg/d
Q 2.995786142511175 1.9123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      9455 days (25.89 yr)  
   first obs. used      1995-09-20  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:12  

Additional Information
 Earth MOID = 1.36141 au 
 Jupiter MOID = 2.48107 au 
 T_jup = 3.350 
[ 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 15.92   n/a MPO637235  

90820 McCann           Discovered 1995 Sept. 20 by AMOS at Haleakala.
Jeff McCann (b. 1962) was the AMOS Commander during the early years of the twenty-first century. He ensured that funding and support was always available for the NEAT program, and he was an inspiration to all who worked with him.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

Alternate Designations
 1995 SS1 = 2000 XN52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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