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JPL Small-Body Database Browser
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11725 Victoriahsu (1998 HM146)
Classification: Main-belt Asteroid          SPK-ID: 2011725
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05078731900990735 3.8499e-08  
a 2.809417086330194 1.5092e-08 au
q 2.666734324534858 1.0919e-07 au
i 2.031176461906966 3.9031e-06 deg
node 148.1849858916816 0.00011199 deg
peri 202.1465079587402 0.00011852 deg
M 125.1512069665933 3.845e-05 deg
tp 2458402.563179853274
(2018-Oct-11.06317985)
0.00018425 TDB
period 1719.977461426163
4.71
1.386e-05
3.795e-08
d
yr
n .2093050682777534 1.6866e-09 deg/d
Q 2.95209984812553 1.5859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1611  
   data-arc span      9786 days (26.79 yr)  
   first obs. used      1993-04-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:08:05  

Additional Information
 Earth MOID = 1.66026 au 
 Jupiter MOID = 2.26692 au 
 T_jup = 3.319 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456482.5 (2013-Jul-09.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05113523936652374 3.8374e-08  
q 2.665361787693339 1.0862e-07 au
tp 2456666.460345966889
(2014-Jan-08.96034597)
0.000186 TDB
node 148.2054382100108 0.00011197 deg
peri 198.7839196981819 0.00011846 deg
i 2.029613562609379 3.9064e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1611  
   data-arc span      9786 days (26.79 yr)  
   first obs. used      1993-04-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:08:05  

Additional Information
 Jupiter MOID = 2.26692 au 
 T_jup = 3.319 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.472573324659102E-15 -4.132644552745117E-15 1.068510918168032E-12 -9.501508197938579E-16 1.838891986814864E-13 -1.920754755092068E-16
q -4.132644552745117E-15 1.179925543694366E-14 -3.453097109662646E-12 3.876646756391817E-15 -6.157132786805986E-13 6.476259585814288E-16
tp 1.068510918168032E-12 -3.453097109662646E-12 3.45973996388976E-8 -2.126451158258566E-11 7.208790547952512E-9 -2.338791979646304E-12
node -9.501508197938579E-16 3.876646756391817E-15 -2.126451158258566E-11 1.253786835467503E-8 -1.253420622383E-8 4.328918993504863E-11
peri 1.838891986814864E-13 -6.157132786805986E-13 7.208790547952512E-9 -1.253420622383E-8 1.40327862520781E-8 -4.374572221119753E-11
i -1.920754755092068E-16 6.476259585814288E-16 -2.338791979646304E-12 4.328918993504863E-11 -4.374572221119753E-11 1.526006802386485E-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 14.2   n/a MPO319232  
diameter diameter 3.624 km 0.353 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11725 Victoriahsu           Discovered 1998 Apr. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Victoria Hsu (b. 1987) is a finalist in the 2002 Intel International Science and Engineering Fair for her mathematics project. She attends the West Shore Jr/Sr High School, Palm Bay, Florida, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 HM146 = 1997 AE9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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