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186636 (2003 HE50)
Classification: Main-belt Asteroid          SPK-ID: 2186636
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04035631631282738 5.5592e-08  
a 3.087977189375824 3.1147e-08 au
q 2.963357805154578 1.8818e-07 au
i 22.70732319345433 8.1774e-06 deg
node 210.5069362674874 1.1574e-05 deg
peri 71.04046117928323 0.00010066 deg
M 36.62061739611087 0.00010047 deg
tp 2458998.880416442678
(2020-May-29.38041644)
0.00055217 TDB
period 1982.026935688534
5.43
2.9988e-05
8.21e-08
d
yr
n .181632244001235 2.7481e-09 deg/d
Q 3.212596573597071 3.2404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      10373 days (28.40 yr)  
   first obs. used      1992-04-29  
   last obs. used      2020-09-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56733  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:04  

Additional Information
 Earth MOID = 2.0069 au 
 Jupiter MOID = 1.83683 au 
 T_jup = 3.105 
[ 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 14.90   n/a MPCxxxxx  
diameter diameter 5.961 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186636 (2003 HE50)          Discovered 2003-Apr-28 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2003 HE50 = 1992 HF3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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