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100206 (1994 HW)
Classification: Main-belt Asteroid          SPK-ID: 2100206
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05733840118526738 3.8224e-08  
a 3.128061130537925 2.2389e-08 au
q 2.9487031065031 1.2052e-07 au
i 10.95202329201002 6.5711e-06 deg
node 202.0326153048929 2.294e-05 deg
peri 89.54072249477767 6.9928e-05 deg
M 217.3293630976102 6.9094e-05 deg
tp 2460001.335605260760
(2023-Feb-25.83560526)
0.0003904 TDB
period 2020.743890637558
5.53
2.1695e-05
5.94e-08
d
yr
n .1781522149679332 1.9127e-09 deg/d
Q 3.307419154572749 2.3673e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      9822 days (26.89 yr)  
   first obs. used      1994-04-16  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:06  

Additional Information
 Earth MOID = 1.95861 au 
 Jupiter MOID = 1.80914 au 
 T_jup = 3.183 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO453456  
diameter diameter 4.099 km 0.783 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100206 (1994 HW)          Discovered 1994-Apr-16 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1994 HW = 1994 JC2 = 2000 KC35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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