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79737 (1998 SD138)
Classification: Main-belt Asteroid          SPK-ID: 2079737
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1862274240892613 3.1979e-08  
a 2.245039293874741 7.5124e-09 au
q 1.826951409197274 7.3108e-08 au
i 2.68616592998887 4.1154e-06 deg
node 31.7361180686662 7.6682e-05 deg
peri 278.4531343676356 7.7525e-05 deg
M 323.2086954705846 1.0829e-05 deg
tp 2459522.067437984124
(2021-Nov-03.56743798)
3.7002e-05 TDB
period 1228.667432494626
3.36
6.1671e-06
1.688e-08
d
yr
n .2930003599664667 1.4707e-09 deg/d
Q 2.663127178552208 8.9114e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      8353 days (22.87 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-08-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5232  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:02:37  

Additional Information
 Earth MOID = .814364 au 
 Jupiter MOID = 2.5973 au 
 T_jup = 3.607 
[ 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 16.19   n/a MPO637110  

79737 (1998 SD138)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 SD138 = 2000 DE81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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