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JPL Small-Body Database Browser
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95903 (2003 HC27)
Classification: Main-belt Asteroid          SPK-ID: 2095903
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1760377233155472 4.8603e-08  
a 3.019793799308837 2.761e-08 au
q 2.488196173996103 1.4508e-07 au
i 13.7317416927704 7.0656e-06 deg
node 60.93640078085318 2.0921e-05 deg
peri 256.2342603134524 3.0974e-05 deg
M 14.28929323952553 2.5829e-05 deg
tp 2458924.419631338401
(2020-Mar-15.91963134)
0.00013705 TDB
period 1916.745094321071
5.25
2.6287e-05
7.197e-08
d
yr
n .1878184016573761 2.5759e-09 deg/d
Q 3.551391424621571 3.2471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      561  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      1998-05-22  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61908  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:11:25  

Additional Information
 Earth MOID = 1.51858 au 
 Jupiter MOID = 1.8775 au 
 T_jup = 3.180 
[ 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 14.5   n/a MPO436440  
rotation period rot_per 9.156 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

95903 (2003 HC27)          Discovered 2003-Apr-27 by LONEOS at Anderson Mesa
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 2003 HC27 = 1998 KZ35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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