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JPL Small-Body Database Browser
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359393 (2010 HC20)
Classification: Main-belt Asteroid          SPK-ID: 2359393
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2075484195595774 1.1362e-07  
a 2.25195573067954 4.0605e-08 au
q 1.784565877858868 2.4603e-07 au
i 3.642457124221136 5.8116e-06 deg
node 60.17122338611481 0.00013926 deg
peri 256.9668578738096 0.00014052 deg
M 159.1792013027266 2.6138e-05 deg
tp 2458054.714465929061
(2017-Oct-28.21446593)
8.0078e-05 TDB
period 1234.349655341388
3.38
3.3385e-05
9.14e-08
d
yr
n .2916515579213522 7.8881e-09 deg/d
Q 2.719345583500212 4.9032e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      3680 days (10.08 yr)  
   first obs. used      2006-02-04  
   last obs. used      2016-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57159  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:21:15  

Additional Information
 Earth MOID = .774716 au 
 Jupiter MOID = 2.58023 au 
 T_jup = 3.595 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456815.5 (2014-Jun-07.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2085322097246595 1.1405e-07  
q 1.782175423246403 2.4721e-07 au
tp 2456819.485111647917
(2014-Jun-10.98511165)
6.5613e-05 TDB
node 60.23218042266151 0.00013935 deg
peri 256.7252373846498 0.00014059 deg
i 3.642036886348948 5.8082e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      3680 days (10.08 yr)  
   first obs. used      2006-02-04  
   last obs. used      2016-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57159  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:21:15  

Additional Information
 Jupiter MOID = 2.58023 au 
 T_jup = 3.595 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.30071696972924E-14 -2.798869177582993E-14 5.055841650644371E-12 -4.709216366147172E-13 1.359968172861438E-12 -2.251376138472497E-14
q -2.798869177582993E-14 6.11149314105808E-14 -1.093335117842397E-11 1.015285599153435E-12 -2.953880139944521E-12 4.964535677951829E-14
tp 5.055841650644371E-12 -1.093335117842397E-11 4.305044087190816E-9 -2.288695776329468E-10 1.33909245694421E-9 -1.423344013668192E-11
node -4.709216366147172E-13 1.015285599153435E-12 -2.288695776329468E-10 1.941786317908358E-8 -1.942526792142663E-8 -2.76718352474571E-10
peri 1.359968172861438E-12 -2.953880139944521E-12 1.33909245694421E-9 -1.942526792142663E-8 1.976554215969644E-8 2.729957401059159E-10
i -2.251376138472497E-14 4.964535677951829E-14 -1.423344013668192E-11 -2.76718352474571E-10 2.729957401059159E-10 3.373549695149716E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO455594  
diameter diameter 1.583 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

359393 (2010 HC20)          Discovered 2010-Apr-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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