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109546 (2001 QP256)
Classification: Main-belt Asteroid          SPK-ID: 2109546
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 .202326553275349 4.8889e-08  
a 2.569912828876996 1.5609e-08 au
q 2.049951223992212 1.2452e-07 au
i 4.364798980240404 4.0491e-06 deg
node 91.02158710492344 7.5533e-05 deg
peri 283.0836717125559 7.6901e-05 deg
M 182.1990691445714 2.1102e-05 deg
tp 2459743.703155615140
(2022-Jun-13.20315561)
9.3857e-05 TDB
period 1504.790412143568
4.12
1.371e-05
3.754e-08
d
yr
n .2392359740564677 2.1796e-09 deg/d
Q 3.08987443376178 1.8768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      6854 days (18.77 yr)  
   first obs. used      2001-07-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57972  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:05:53  

Additional Information
 Earth MOID = 1.0562 au 
 Jupiter MOID = 2.38233 au 
 T_jup = 3.397 
[ 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 15.6   n/a MPO338040  

109546 (2001 QP256)          Discovered 2001-Aug-25 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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