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JPL Small-Body Database Browser
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74247 (1998 SR64)
Classification: Main-belt Asteroid          SPK-ID: 2074247
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0377195244853484 5.2881e-08  
a 2.743805234185511 2.0733e-08 au
q 2.640310205471623 1.5229e-07 au
i 6.470647938183616 5.2114e-06 deg
node 154.2070104846026 4.1059e-05 deg
peri 198.1693565121709 7.7187e-05 deg
M 217.2579707878996 6.8985e-05 deg
tp 2459258.730061660389
(2021-Feb-13.23006166)
0.00032147 TDB
period 1660.077438339041
4.55
1.8816e-05
5.152e-08
d
yr
n .2168573535703196 2.458e-09 deg/d
Q 2.847300262899398 2.1516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1998-09-20  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:19  

Additional Information
 Earth MOID = 1.6333 au 
 Jupiter MOID = 2.31561 au 
 T_jup = 3.338 
[ 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 15.2   n/a MPO344827  

74247 (1998 SR64)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SR64 = 1998 UN41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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