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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08024790431796021 5.8828e-08  
a 2.336092888800193 2.0772e-08 au
q 2.148626330181888 1.4316e-07 au
i 7.124564791004683 5.8874e-06 deg
node 96.40115175263698 5.106e-05 deg
peri 149.0924981448624 6.3084e-05 deg
M 113.0267198015283 4.0033e-05 deg
tp 2458191.039312650393
(2018-Mar-13.53931265)
0.00014292 TDB
period 1304.168144529887
3.57
1.7395e-05
4.762e-08
d
yr
n .2760380258557603 3.6818e-09 deg/d
Q 2.523559447418498 2.2439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6582 days (18.02 yr)  
   first obs. used      2001-10-17  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62003  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:36:14  

Additional Information
 Earth MOID = 1.13764 au 
 Jupiter MOID = 2.49496 au 
 T_jup = 3.553 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456728.5 (2014-Mar-12.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08004393902709064 5.863e-08  
q 2.149057312315718 1.4272e-07 au
tp 2456888.434071554260
(2014-Aug-18.93407155)
0.00013857 TDB
node 96.4382836835419 5.1081e-05 deg
peri 149.5666543000348 6.3273e-05 deg
i 7.123161354602143 5.8855e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6582 days (18.02 yr)  
   first obs. used      2001-10-17  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62003  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:36:14  

Additional Information
 Jupiter MOID = 2.49496 au 
 T_jup = 3.553 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.437522862445618E-15 -8.296364080086241E-15 -2.170746808477527E-12 1.395559634258435E-15 -5.426281075289881E-13 -5.29537236824603E-15
q -8.296364080086241E-15 2.036968599687581E-14 5.745470686038199E-12 -5.499388911061996E-15 1.426641018254372E-12 1.367525929067843E-14
tp -2.170746808477527E-12 5.745470686038199E-12 1.920076633144661E-8 5.357349633137218E-11 5.211902428266816E-9 1.048687379014337E-11
node 1.395559634258435E-15 -5.499388911061996E-15 5.357349633137218E-11 2.609268587169291E-9 -2.573540650096536E-9 -6.95665511734814E-11
peri -5.426281075289881E-13 1.426641018254372E-12 5.211902428266816E-9 -2.573540650096536E-9 4.003476795040147E-9 7.174741501115683E-11
i -5.29537236824603E-15 1.367525929067843E-14 1.048687379014337E-11 -6.95665511734814E-11 7.174741501115683E-11 3.463894808436807E-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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