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49141 (1998 SM41)
Classification: Main-belt Asteroid          SPK-ID: 2049141
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1881929099069519 4.6277e-08  
a 2.45729176971246 8.8141e-09 au
q 1.994846881079869 1.1264e-07 au
i 9.96659929417798 4.0629e-06 deg
node 359.2119575306813 2.6431e-05 deg
peri 109.678198275513 2.8896e-05 deg
M 141.6258244307282 9.8771e-06 deg
tp 2458446.992555753039
(2018-Nov-24.49255575)
3.8429e-05 TDB
period 1406.965719210123
3.85
7.57e-06
2.073e-08
d
yr
n .2558697735735209 1.3767e-09 deg/d
Q 2.919736658345052 1.0473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      8850 days (24.23 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50157  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:34:06  

Additional Information
 Earth MOID = 1.03638 au 
 Jupiter MOID = 2.24492 au 
 T_jup = 3.447 
[ 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 14.6   n/a MPO474371  

49141 (1998 SM41)          Discovered 1998-Sep-25 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SM41 = 2000 EA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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