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74234 (1998 SW36)
Classification: Main-belt Asteroid          SPK-ID: 2074234
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1403339925003383 4.8041e-08  
a 2.576424139445919 1.1793e-08 au
q 2.214864253583225 1.2609e-07 au
i 4.149224931519806 4.2477e-06 deg
node 15.50151192771076 7.2406e-05 deg
peri 77.25530685468803 7.4115e-05 deg
M 20.86951372749131 1.5188e-05 deg
tp 2458912.934245251830
(2020-Mar-04.43424525)
6.3612e-05 TDB
period 1510.512996180414
4.14
1.0371e-05
2.839e-08
d
yr
n .238329627689613 1.6363e-09 deg/d
Q 2.937984025308612 1.3448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      7805 days (21.37 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:13:02  

Additional Information
 Earth MOID = 1.23593 au 
 Jupiter MOID = 2.24351 au 
 T_jup = 3.409 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO453155  

74234 (1998 SW36)          Discovered 1998-Sep-20 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SW36 = 2000 EA197 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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