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192421 (1997 SU20)
Classification: Main-belt Asteroid          SPK-ID: 2192421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151791249130674 5.8064e-08  
a 3.117305136508617 2.8261e-08 au
q 2.758256658798544 1.7311e-07 au
i 6.399352788690305 5.9278e-06 deg
node 24.23790162473883 4.0738e-05 deg
peri 297.5597407544599 4.7741e-05 deg
M 133.1647878445796 2.7689e-05 deg
tp 2458456.874454812281
(2018-Dec-04.37445481)
0.00015087 TDB
period 2010.330212668721
5.50
2.7338e-05
7.485e-08
d
yr
n .179075058282141 2.4352e-09 deg/d
Q 3.47635361421869 3.1516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      8512 days (23.30 yr)  
   first obs. used      1997-09-28  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58019  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:02  

Additional Information
 Earth MOID = 1.75172 au 
 Jupiter MOID = 1.87054 au 
 T_jup = 3.197 
[ show covariance matrix ]

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 15.54   n/a MPCxxxxx  

192421 (1997 SU20)          Discovered 1997-Sep-28 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1997 SU20 = 2002 RZ115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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