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120934 (1998 SE149)
Classification: Main-belt Asteroid          SPK-ID: 2120934
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04307828693774874 3.9133e-08  
a 2.969047076164982 2.0626e-08 au
q 2.841145614286263 1.1311e-07 au
i 1.876293234213769 4.374e-06 deg
node 155.3659851519272 0.00013885 deg
peri 142.1533415124149 0.00014913 deg
M 148.1937253468588 5.4613e-05 deg
tp 2458231.278583570622
(2018-Apr-22.77858357)
0.00028318 TDB
period 1868.633164234344
5.12
1.9472e-05
5.331e-08
d
yr
n .1926541853641492 2.0076e-09 deg/d
Q 3.096948538043701 2.1515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      942  
   data-arc span      7732 days (21.17 yr)  
   first obs. used      1998-09-25  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56683  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 10:02:52  

Additional Information
 Earth MOID = 1.8256 au 
 Jupiter MOID = 1.98751 au 
 T_jup = 3.261 
[ 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 14.8   n/a MPO453680  

120934 (1998 SE149)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 SE149 = 2001 DN71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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