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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457148.5 (2015-May-06.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08028146087033596 5.6755e-08  
q 2.14892230805864 1.3676e-07 au
tp 2456888.414491354314
(2014-Aug-18.91449135)
0.00013231 TDB
node 96.43729923842777 4.5061e-05 deg
peri 149.5580703647069 5.7236e-05 deg
i 7.122739220373055 5.6092e-06 deg
  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
 Jupiter MOID = 2.49462 au 
 T_jup = 3.553 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.221129936021713E-15 -7.707202278511877E-15 -2.356673513548107E-12 1.267474333489881E-14 -6.235678595460125E-13 -3.277666583953521E-15
q -7.707202278511877E-15 1.870371158084495E-14 6.528928694625964E-12 -3.14284750707373E-14 1.735000409755797E-12 8.711319841296134E-15
tp -2.356673513548107E-12 6.528928694625964E-12 1.750492112567188E-8 5.04636341779694E-12 4.701751889146501E-9 9.313249601963223E-12
node 1.267474333489881E-14 -3.14284750707373E-14 5.04636341779694E-12 2.030504399842521E-9 -2.012970200656486E-9 -8.724697770062414E-11
peri -6.235678595460125E-13 1.735000409755797E-12 4.701751889146501E-9 -2.012970200656486E-9 3.275970253171862E-9 8.901502909161736E-11
i -3.277666583953521E-15 8.711319841296134E-15 9.313249601963223E-12 -8.724697770062414E-11 8.901502909161736E-11 3.146314641690382E-11

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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