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190308 (1997 SZ5)
Classification: Main-belt Asteroid          SPK-ID: 2190308
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1630709213049432 5.4955e-08  
a 3.146548246756927 2.5762e-08 au
q 2.633437725227821 1.681e-07 au
i 1.810620699409974 5.8014e-06 deg
node 150.97848166 0.00017349 deg
peri 142.9501767903427 0.00017448 deg
M 102.878062899822 1.8501e-05 deg
tp 2458617.900245480889
(2019-May-14.40024548)
0.00010341 TDB
period 2038.684494196894
5.58
2.5037e-05
6.855e-08
d
yr
n .17658445974585 2.1686e-09 deg/d
Q 3.659658768286034 2.9963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      8523 days (23.33 yr)  
   first obs. used      1997-08-11  
   last obs. used      2020-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57175  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:06  

Additional Information
 Earth MOID = 1.61569 au 
 Jupiter MOID = 1.54068 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457585.5 (2016-Jul-16.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1652684898898171 5.43e-08  
q 2.624407528997112 1.6627e-07 au
tp 2456583.861727618218
(2013-Oct-18.36172762)
0.00010217 TDB
node 151.05913477758 0.0001735 deg
peri 143.5203708066826 0.00017448 deg
i 1.810795960306053 5.8073e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      8523 days (23.33 yr)  
   first obs. used      1997-08-11  
   last obs. used      2020-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57175  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:06  

Additional Information
 Jupiter MOID = 1.54068 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.948518875243519E-15 -8.958202158273653E-15 6.380926394014434E-13 -1.671679522321064E-14 2.132178901127788E-14 -2.438198947698835E-16
q -8.958202158273653E-15 2.764433432942796E-14 -2.258760360999633E-12 4.989828097063547E-14 -8.053944046466893E-14 8.05932070312146E-16
tp 6.380926394014434E-13 -2.258760360999633E-12 1.043960868117025E-8 -1.795874246236572E-11 1.90601411035767E-9 -2.486180055810554E-12
node -1.671679522321064E-14 4.989828097063547E-14 -1.795874246236572E-11 3.01036698853677E-8 -3.009075626849787E-8 1.975510246335482E-10
peri 2.132178901127788E-14 -8.053944046466893E-14 1.90601411035767E-9 -3.009075626849787E-8 3.0443803433355E-8 -1.978987214324325E-10
i -2.438198947698835E-16 8.05932070312146E-16 -2.486180055810554E-12 1.975510246335482E-10 -1.978987214324325E-10 3.372508953695759E-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 16.21   n/a MPCxxxxx  

190308 (1997 SZ5)          Discovered 1997-Sep-23 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 1997 SZ5 = 2003 UC300 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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