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74285 (1998 SR131)
Classification: Main-belt Asteroid          SPK-ID: 2074285
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608380571151508 4.8469e-08  
a 2.797424211179894 1.9235e-08 au
q 2.347491936126837 1.3512e-07 au
i 9.05706282119772 5.616e-06 deg
node 347.9164434732332 2.8583e-05 deg
peri 348.5851402199351 3.329e-05 deg
M 257.368555721573 2.0396e-05 deg
tp 2459487.707382716774
(2021-Sep-30.20738272)
9.9731e-05 TDB
period 1708.975831054406
4.68
1.7626e-05
4.826e-08
d
yr
n .210652481713499 2.1726e-09 deg/d
Q 3.247356486232952 2.2328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      8813 days (24.13 yr)  
   first obs. used      1996-03-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:03:57  

Additional Information
 Earth MOID = 1.33914 au 
 Jupiter MOID = 2.14423 au 
 T_jup = 3.289 
[ 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 14.7   n/a MPO337817  

74285 (1998 SR131)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SR131 = 2001 FM19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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