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109948 (2001 SN45)
Classification: Main-belt Asteroid          SPK-ID: 2109948
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09017273857117798 4.7374e-08  
a 3.085844531424565 2.2921e-08 au
q 2.807585479221118 1.4636e-07 au
i 11.70431492485261 5.208e-06 deg
node 159.6844835162838 2.1934e-05 deg
peri 188.3479708158149 3.3165e-05 deg
M 175.6909832781383 2.5417e-05 deg
tp 2458034.212275203103
(2017-Oct-07.71227520)		 0.00013704 TDB
period 1979.974011393494
5.42		 2.206e-05
6.04e-08		 d
yr
n .1818205683147498 2.0258e-09 deg/d
Q 3.364103583628011 2.4988e-08 au
   Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      9885 days (27.06 yr)  
   first obs. used      1993-03-25  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5862  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:11:11  

Additional Information
 Earth MOID = 1.80097 au 
 Jupiter MOID = 2.05184 au 
 T_jup = 3.188 
[ 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 14.9   n/a MPO432620  

109948 (2001 SN45)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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