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249851 (2001 QY41)
Classification: Main-belt Asteroid          SPK-ID: 2249851
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618457864846048 5.5491e-08  
a 2.646414561121319 1.9168e-08 au
q 2.218103515112329 1.4694e-07 au
i 3.100931658910048 6.3622e-06 deg
node 329.8672122813321 7.8652e-05 deg
peri 344.3090162690532 8.0492e-05 deg
M 134.8324576787906 1.7504e-05 deg
tp 2458411.551672172875
(2018-Oct-20.05167217)
7.3422e-05 TDB
period 1572.480407669052
4.31
1.7084e-05
4.677e-08
d
yr
n .2289376695851122 2.4873e-09 deg/d
Q 3.07472560713031 2.227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      6759 days (18.51 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:27:47  

Additional Information
 Earth MOID = 1.20445 au 
 Jupiter MOID = 2.20417 au 
 T_jup = 3.372 
[ 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 16.0   n/a MPO503177  

249851 (2001 QY41)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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