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281445 Scotthowe (2008 SS84)
Classification: Main-belt Asteroid          SPK-ID: 2281445
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04699258672834906 7.0166e-08  
a 2.672415293547529 2.8798e-08 au
q 2.54683158609133 1.9916e-07 au
i 5.244786961300829 8.4807e-06 deg
node 244.3460211564257 7.6272e-05 deg
peri 112.0100369059427 0.00011986 deg
M 263.0331063897555 9.4396e-05 deg
tp 2459430.308828348098
(2021-Aug-03.80882835)
0.00042008 TDB
period 1595.711406691574
4.37
2.5793e-05
7.062e-08
d
yr
n .2256047042656645 3.6467e-09 deg/d
Q 2.797999001003728 3.0151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      9028 days (24.72 yr)  
   first obs. used      1995-10-24  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57876  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 20:52:03  

Additional Information
 Earth MOID = 1.54826 au 
 Jupiter MOID = 2.40937 au 
 T_jup = 3.373 
[ 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 16.9   n/a MPO433818  

281445 Scotthowe           Discovered 2008 Sept. 28 by J. W. Young at Wrightwood.
A. Scott Howe (b. 1960) is a senior engineer at NASA's Jet Propulsion Laboratory. He is a NASA development team member building long-duration human habitats for deep space, and permanent outposts for the moon and Mars.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-01-05Last Updated: 2015-01-07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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