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243582 (1997 SZ7)
Classification: Main-belt Asteroid          SPK-ID: 2243582
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0948413933798066 4.4058e-08  
a 2.338387042976249 1.5926e-08 au
q 2.116611157559096 1.0673e-07 au
i 6.94487274736193 6.7274e-06 deg
node 349.6618916768115 4.0413e-05 deg
peri 273.5836060321284 5.412e-05 deg
M 225.2744753641608 3.5039e-05 deg
tp 2459489.287851711652
(2021-Oct-01.78785171)
0.00012705 TDB
period 1306.089748708134
3.58
1.3343e-05
3.653e-08
d
yr
n .2756319007603263 2.8158e-09 deg/d
Q 2.560162928393402 1.7436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      7630 days (20.89 yr)  
   first obs. used      1997-09-23  
   last obs. used      2018-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:26:48  

Additional Information
 Earth MOID = 1.11504 au 
 Jupiter MOID = 2.51977 au 
 T_jup = 3.550 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456965.5 (2014-Nov-04.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09526003453948562 4.4026e-08  
q 2.115472987169825 1.0671e-07 au
tp 2456878.302214272630
(2014-Aug-08.80221427)
0.00012924 TDB
node 349.7033163701122 4.0381e-05 deg
peri 273.7980786720412 5.4019e-05 deg
i 6.948559910367517 6.7298e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      7630 days (20.89 yr)  
   first obs. used      1997-09-23  
   last obs. used      2018-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:26:48  

Additional Information
 Jupiter MOID = 2.51977 au 
 T_jup = 3.550 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.938313751618527E-15 -4.656878096228114E-15 1.31829476928923E-12 1.017572930200732E-15 3.734354637648518E-13 -3.947820918308329E-15
q -4.656878096228114E-15 1.138791048268883E-14 -3.462683163238317E-12 -2.811007873575034E-15 -9.724006201137296E-13 1.005616758699978E-14
tp 1.31829476928923E-12 -3.462683163238317E-12 1.670418024108829E-8 1.012179570315201E-11 4.654111178649398E-9 -6.422371873130399E-12
node 1.017572930200732E-15 -2.811007873575034E-15 1.012179570315201E-11 1.630652927069085E-9 -1.615202697975339E-9 -4.128831219578009E-11
peri 3.734354637648518E-13 -9.724006201137296E-13 4.654111178649398E-9 -1.615202697975339E-9 2.918047624689098E-9 3.919056134139746E-11
i -3.947820918308329E-15 1.005616758699978E-14 -6.422371873130399E-12 -4.128831219578009E-11 3.919056134139746E-11 4.52908585840458E-11

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 17.5   n/a MPO454788  

243582 (1997 SZ7)          Discovered 1997-Sep-23 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1997 SZ7 = 2008 UN239 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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