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118628 (2000 HW40)
Classification: Main-belt Asteroid          SPK-ID: 2118628
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1069495562891857 3.0416e-08  
a 2.350222342108353 9.3561e-09 au
q 2.098867105438934 7.2107e-08 au
i 4.205539023729458 4.0192e-06 deg
node 288.9772447091947 4.5507e-05 deg
peri 318.3721362056079 5.0067e-05 deg
M 228.4916242360834 2.2525e-05 deg
tp 2459681.242774741691
(2022-Apr-11.74277474)
8.3281e-05 TDB
period 1316.018070344802
3.60
7.8585e-06
2.152e-08
d
yr
n .2735524747815041 1.6335e-09 deg/d
Q 2.601577578777773 1.0357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1077  
   data-arc span      7647 days (20.94 yr)  
   first obs. used      2000-03-14  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52375  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:58:08  

Additional Information
 Earth MOID = 1.08559 au 
 Jupiter MOID = 2.42857 au 
 T_jup = 3.547 
[ 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 15.70   n/a E2021B55  

118628 (2000 HW40)          Discovered 2000-Apr-28 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 HW40 = 2001 SC148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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