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109476 (2001 QS220)
Classification: Main-belt Asteroid          SPK-ID: 2109476
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729025585352942 4.4303e-08  
a 2.592515391680267 1.7007e-08 au
q 2.144262847416619 1.1592e-07 au
i 7.192426232323307 7.5543e-06 deg
node 236.29964709 4.4858e-05 deg
peri 38.54694845046556 5.0404e-05 deg
M 215.3678879659288 2.3534e-05 deg
tp 2459613.051587122026
(2022-Feb-02.55158712)
0.00010133 TDB
period 1524.686103677871
4.17
1.5003e-05
4.108e-08
d
yr
n .236114174013656 2.3234e-09 deg/d
Q 3.040767935943916 1.9948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      553  
   data-arc span      7210 days (19.74 yr)  
   first obs. used      2000-05-05  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:26:21  

Additional Information
 Earth MOID = 1.13354 au 
 Jupiter MOID = 2.0765 au 
 T_jup = 3.387 
[ 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 15.5   n/a MPO459512  

109476 (2001 QS220)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
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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