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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2078365061994205 7.4039e-08  
a 2.251497094403446 2.5723e-08 au
q 1.783553804584487 1.7852e-07 au
i 3.642484443586202 5.7226e-06 deg
node 60.16494479458652 0.00011524 deg
peri 256.9923717101556 0.00011642 deg
M 275.8494023701466 1.9616e-05 deg
tp 2459288.943141554642
(2021-Mar-15.44314155)
6.9541e-05 TDB
period 1233.972590621661
3.38
2.1147e-05
5.79e-08
d
yr
n .2917406778205958 4.9996e-09 deg/d
Q 2.719440384222406 3.1069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      5225 days (14.31 yr)  
   first obs. used      2006-02-04  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54538  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:22:12  

Additional Information
 Earth MOID = .774551 au 
 Jupiter MOID = 2.58277 au 
 T_jup = 3.595 
[ 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 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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