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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05093442584423854 3.841e-08  
a 2.809177485091729 1.4763e-08 au
q 2.66609364279402 1.0884e-07 au
i 2.031394883390276 3.8954e-06 deg
node 148.1834868291236 0.00010987 deg
peri 202.2050260920888 0.00011621 deg
M 166.9433369732398 3.7759e-05 deg
tp 2458402.994320136425
(2018-Oct-11.49432014)
0.00018085 TDB
period 1719.757433606998
4.71
1.3557e-05
3.712e-08
d
yr
n .2093318470180649 1.6502e-09 deg/d
Q 2.952261327389439 1.5515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1651  
   data-arc span      10127 days (27.73 yr)  
   first obs. used      1993-04-18  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52938  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:02:10  

Additional Information
 Earth MOID = 1.65784 au 
 Jupiter MOID = 2.26641 au 
 T_jup = 3.319 
[ 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 14.22   n/a E2021B10  
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

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