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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457494.5 (2016-Apr-16.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2078102307530732 7.4081e-08  
q 1.784317039859842 1.786e-07 au
tp 2458053.885431667747
(2017-Oct-27.38543167)
6.1869e-05 TDB
node 60.20787376813436 0.00011529 deg
peri 256.7702607098403 0.00011648 deg
i 3.641500607750831 5.719e-06 deg
  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
 Jupiter MOID = 2.58277 au 
 T_jup = 3.595 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.488034659393879E-15 -1.316917460363801E-14 2.030116933597163E-12 -3.790027609529502E-14 7.40660625469907E-13 -9.834496136774478E-15
q -1.316917460363801E-14 3.189919569343491E-14 -4.292120624148616E-12 9.774310532240662E-14 -1.665449073641514E-12 2.36820848707036E-14
tp 2.030116933597163E-12 -4.292120624148616E-12 3.827831547833544E-9 1.410196184388184E-11 1.066611261172543E-9 -7.630576825250086E-12
node -3.790027609529502E-14 9.774310532240662E-14 1.410196184388184E-11 1.329271991318728E-8 -1.326406978136616E-8 -3.449842304397774E-10
peri 7.40660625469907E-13 -1.665449073641514E-12 1.066611261172543E-9 -1.326406978136616E-8 1.35667424329747E-8 3.419142749955214E-10
i -9.834496136774478E-15 2.36820848707036E-14 -7.630576825250086E-12 -3.449842304397774E-10 3.419142749955214E-10 3.270657770817735E-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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