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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205985354745349 6.0702e-08  
a 2.671178907267558 2.0697e-08 au
q 2.349038643060622 1.6259e-07 au
i 9.456596272051415 6.4931e-06 deg
node 313.2501221480011 3.6748e-05 deg
peri 53.8878442785946 4.4279e-05 deg
M 222.1150672962337 2.5691e-05 deg
tp 2459611.255241294811
(2022-Jan-31.75524129)
0.00011624 TDB
period 1594.604156920519
4.37
1.8533e-05
5.074e-08
d
yr
n .2257613580383659 2.6239e-09 deg/d
Q 2.993319171474494 2.3193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      8983 days (24.59 yr)  
   first obs. used      1995-09-20  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:35:08  

Additional Information
 Earth MOID = 1.36036 au 
 Jupiter MOID = 2.48531 au 
 T_jup = 3.351 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO468892  

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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