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JPL Small-Body Database Browser
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233539 (2007 HW97)
Classification: Main-belt Asteroid          SPK-ID: 2233539
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08002389471763198 5.6946e-08  
a 2.336617240015939 1.7983e-08 au
q 2.1496320280055 1.372e-07 au
i 7.124572475098207 5.6115e-06 deg
node 96.40054940484924 4.5035e-05 deg
peri 149.2258307301087 5.7167e-05 deg
M 223.2736424066234 4.0032e-05 deg
tp 2459495.983886433293
(2021-Oct-08.48388643)
0.00014855 TDB
period 1304.607262679149
3.57
1.506e-05
4.123e-08
d
yr
n .2759451141339671 3.1855e-09 deg/d
Q 2.523602452026378 1.9422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6650 days (18.21 yr)  
   first obs. used      2001-10-17  
   last obs. used      2020-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5896  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:21:13  

Additional Information
 Earth MOID = 1.13883 au 
 Jupiter MOID = 2.49462 au 
 T_jup = 3.553 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO494289  

233539 (2007 HW97)          Discovered 2007-Apr-25 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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