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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1071301874915524 3.3962e-08  
a 2.349867666346177 1.0378e-08 au
q 2.098125902670174 7.8658e-08 au
i 4.205713227646894 4.0394e-06 deg
node 288.9761862890579 5.2455e-05 deg
peri 318.3595854751884 5.6661e-05 deg
M 173.7985572624929 2.2534e-05 deg
tp 2458365.304809154666
(2018-Sep-03.80480915)
8.1538e-05 TDB
period 1315.720178038952
3.60
8.7159e-06
2.386e-08
d
yr
n .2736144098181811 1.8125e-09 deg/d
Q 2.601609430022179 1.149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      7531 days (20.62 yr)  
   first obs. used      2000-03-14  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54874  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:10:11  

Additional Information
 Earth MOID = 1.08641 au 
 Jupiter MOID = 2.42966 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 15.6   n/a MPO436570  

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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