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109976 (2001 SN53)
Classification: Main-belt Asteroid          SPK-ID: 2109976
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 .2096067094135737 9.2403e-08  
a 2.557913984675772 1.5729e-08 au
q 2.021758051384921 2.4564e-07 au
i 4.516928124697673 7.4518e-06 deg
node 148.9873829717211 5.6764e-05 deg
peri 179.7444954384477 5.7834e-05 deg
M 234.7200069637875 1.0932e-05 deg
tp 2459520.503840499720
(2021-Nov-02.00384050)
4.7521e-05 TDB
period 1494.263992541796
4.09
1.3783e-05
3.774e-08
d
yr
n .2409212841886308 2.2222e-09 deg/d
Q 3.094069917966622 1.9026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      9206 days (25.20 yr)  
   first obs. used      1995-02-07  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:11:11  

Additional Information
 Earth MOID = 1.01056 au 
 Jupiter MOID = 2.26407 au 
 T_jup = 3.401 
[ 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 16.1   n/a MPO381929  

109976 (2001 SN53)          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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