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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09446978184175214 4.122e-08  
a 3.003188346265825 2.2569e-08 au
q 2.7194777983644 1.2631e-07 au
i 11.34549662290404 4.5873e-06 deg
node 70.347002218 3.3232e-05 deg
peri 228.0270828217 5.2109e-05 deg
M 24.29821831546922 3.7886e-05 deg
tp 2458872.194813896060
(2020-Jan-23.69481390)
0.00020053 TDB
period 1900.956950741195
5.20
2.1429e-05
5.867e-08
d
yr
n .1893783022596244 2.1348e-09 deg/d
Q 3.286898894167249 2.4702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      8217 days (22.50 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:06  

Additional Information
 Earth MOID = 1.71847 au 
 Jupiter MOID = 1.8845 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09512834132848906 4.1554e-08  
q 2.717003402855225 1.2808e-07 au
tp 2456978.723223151121
(2014-Nov-17.22322315)
0.00020767 TDB
node 70.37039586034 3.3208e-05 deg
peri 229.4585550494126 5.1826e-05 deg
i 11.3515105665921 4.5944e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      8217 days (22.50 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:06  

Additional Information
 Jupiter MOID = 1.8845 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.726727855292626E-15 -5.253148126766666E-15 3.517882854789302E-12 -6.856040758215296E-15 6.786934109233488E-13 -2.768156951090531E-15
q -5.253148126766666E-15 1.640542258494618E-14 -1.255256879984844E-11 2.232563687364976E-14 -2.396573115165392E-12 9.769148479030813E-15
tp 3.517882854789302E-12 -1.255256879984844E-11 4.312731734261587E-8 -1.759065065452132E-11 8.339063639409281E-9 -2.1479477239449E-11
node -6.856040758215296E-15 2.232563687364976E-14 -1.759065065452132E-11 1.102746350410718E-9 -1.083832571489485E-9 -5.639637873629744E-11
peri 6.786934109233488E-13 -2.396573115165392E-12 8.339063639409281E-9 -1.083832571489485E-9 2.685981862834599E-9 5.120938094952493E-11
i -2.768156951090531E-15 9.769148479030813E-15 -2.1479477239449E-11 -5.639637873629744E-11 5.120938094952493E-11 2.110816738201555E-11

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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