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JPL Small-Body Database Browser
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108927 (2001 PK21)
Classification: Main-belt Asteroid          SPK-ID: 2108927
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1070040658879472 5.2689e-08  
a 3.017245251679929 2.251e-08 au
q 2.694387741969074 1.6259e-07 au
i 3.094525961358699 5.1792e-06 deg
node 60.46756907352381 0.00010634 deg
peri 324.2632303671459 0.00010907 deg
M 158.0948182037841 2.469e-05 deg
tp 2458159.822391008039
(2018-Feb-10.32239101)
0.00012879 TDB
period 1914.31915780439
5.24
2.1423e-05
5.865e-08
d
yr
n .1880564160538928 2.1045e-09 deg/d
Q 3.340102761390784 2.4919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      6385 days (17.48 yr)  
   first obs. used      2001-07-16  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57772  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:38:48  

Additional Information
 Earth MOID = 1.69903 au 
 Jupiter MOID = 2.10292 au 
 T_jup = 3.237 
[ 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 14.8   n/a MPO469111  

108927 (2001 PK21)          Discovered 2001-Aug-10 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 PK21 = 2010 GQ174 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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