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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020483583852148 4.9014e-08  
a 2.570720633974967 1.6126e-08 au
q 2.051310750013326 1.2468e-07 au
i 4.364804679680506 4.9383e-06 deg
node 91.02259779383961 7.6514e-05 deg
peri 283.1527911870467 7.7996e-05 deg
M 86.45264285508362 2.0476e-05 deg
tp 2458238.959857009188
(2018-Apr-30.45985701)
8.3068e-05 TDB
period 1505.499972914232
4.12
1.4166e-05
3.878e-08
d
yr
n .2391232191808941 2.25e-09 deg/d
Q 3.090130517936608 1.9384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      6436 days (17.62 yr)  
   first obs. used      2001-07-22  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58633  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:12:43  

Additional Information
 Earth MOID = 1.05678 au 
 Jupiter MOID = 2.37885 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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