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120158 (2003 HC15)
Classification: Main-belt Asteroid          SPK-ID: 2120158
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09446978267553532 4.4382e-08  
a 3.003188345824618 2.4057e-08 au
q 2.719477795460866 1.3855e-07 au
i 11.34549623158991 5.304e-06 deg
node 70.34700239741804 3.3264e-05 deg
peri 228.0270821666955 5.2295e-05 deg
M 24.29821894708686 3.8461e-05 deg
tp 2458872.194810589118
(2020-Jan-23.69481059)
0.00020347 TDB
period 1900.956950322283
5.20
2.2841e-05
6.254e-08
d
yr
n .1893783023013575 2.2755e-09 deg/d
Q 3.286898896188371 2.6329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      8188 days (22.42 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 20:14:28  

Additional Information
 Earth MOID = 1.71847 au 
 Jupiter MOID = 1.8845 au 
 T_jup = 3.216 
[ 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 15.1   n/a MPO396029  
diameter diameter 3.854 km 0.844 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120158 (2003 HC15)          Discovered 2003-Apr-26 by NEAT at Haleakala
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2003 HC15 = 2002 CD290 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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