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136991 (1998 SA36)
Classification: Main-belt Asteroid          SPK-ID: 2136991
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859293398932729 6.5394e-08  
a 2.533383568065932 1.0404e-08 au
q 2.062353233558969 1.6831e-07 au
i 3.60491857835258 5.9299e-06 deg
node 25.60008716004422 5.9832e-05 deg
peri 316.4477599672206 6.0894e-05 deg
M 160.5195496444003 1.0547e-05 deg
tp 2458343.787500204009
(2018-Aug-13.28750020)
4.23e-05 TDB
period 1472.82060316199
4.03
9.073e-06
2.484e-08
d
yr
n .2444289543662806 1.5057e-09 deg/d
Q 3.004413902572895 1.2339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      7805 days (21.37 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:43:21  

Additional Information
 Earth MOID = 1.05622 au 
 Jupiter MOID = 2.40025 au 
 T_jup = 3.422 
[ 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 16.4   n/a MPO453851  

136991 (1998 SA36)          Discovered 1998-Sep-28 by Comba, P. G. at Prescott
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 SA36 = 2002 TL3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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