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JPL Small-Body Database Browser
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32957 (1996 HX20)
Classification: Main-belt Asteroid          SPK-ID: 2032957
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .11677985422703 5.0853e-08  
a 2.277867259527269 1.1713e-08 au
q 2.01185825301115 1.1672e-07 au
i 5.933945657579805 5.543e-06 deg
node 206.9564250541947 5.2007e-05 deg
peri 177.3875474563594 5.7071e-05 deg
M 91.20186635454472 2.4182e-05 deg
tp 2458282.379050140985
(2018-Jun-12.87905014)
8.3685e-05 TDB
period 1255.714894079451
3.44
9.6857e-06
2.652e-08
d
yr
n .2866892809007507 2.2113e-09 deg/d
Q 2.543876266043387 1.3081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      8300 days (22.72 yr)  
   first obs. used      1996-04-18  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58724  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:34:23  

Additional Information
 Earth MOID = 1.01477 au 
 Jupiter MOID = 2.89112 au 
 T_jup = 3.591 
[ 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 16.1   n/a MPO309408  

32957 (1996 HX20)          Discovered 1996-Apr-18 by Elst, E. W. at La Silla
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 HX20 = 1997 TO7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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