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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05733576625957373 3.9357e-08  
a 3.128205064139197 2.4558e-08 au
q 2.948847029769698 1.2211e-07 au
i 10.95145759146081 7.2814e-06 deg
node 202.0435063245532 2.3529e-05 deg
peri 89.37988868143576 7.2621e-05 deg
M 181.8674135775345 7.0753e-05 deg
tp 2460000.458835198783
(2023-Feb-24.95883520)
0.00039924 TDB
period 2020.883365033551
5.53
2.3797e-05
6.515e-08
d
yr
n .1781399195168412 2.0977e-09 deg/d
Q 3.307563098508697 2.5966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      9416 days (25.78 yr)  
   first obs. used      1994-04-16  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:02:09  

Additional Information
 Earth MOID = 1.9606 au 
 Jupiter MOID = 1.80966 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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