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109577 (2001 QD271)
Classification: Main-belt Asteroid          SPK-ID: 2109577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012564780378282 4.0692e-08  
a 2.453799166480709 1.1489e-08 au
q 2.205336105070714 1.0003e-07 au
i 6.285232618879395 5.1109e-06 deg
node 339.3933103094161 3.9453e-05 deg
peri 79.69244866820375 4.7196e-05 deg
M 280.8674596202789 2.6338e-05 deg
tp 2459509.109688395424
(2021-Oct-21.60968840)
0.00010333 TDB
period 1403.967158001459
3.84
9.8604e-06
2.7e-08
d
yr
n .2564162544318047 1.8009e-09 deg/d
Q 2.702262227890704 1.2652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      6954 days (19.04 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54376  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:16:22  

Additional Information
 Earth MOID = 1.22695 au 
 Jupiter MOID = 2.56978 au 
 T_jup = 3.479 
[ 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 15.69   n/a E2021B55  

109577 (2001 QD271)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QD271 = 2003 AW48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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