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JPL Small-Body Database Browser
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108930 (2001 PQ22)
Classification: Main-belt Asteroid          SPK-ID: 2108930
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1661383512196805 4.1868e-08  
a 2.361091022239548 1.0343e-08 au
q 1.968823252725079 1.0148e-07 au
i 2.667916717275972 4.9258e-06 deg
node 286.401607112408 0.00010509 deg
peri 57.43886082153807 0.00010627 deg
M 49.85143275220736 1.6426e-05 deg
tp 2458816.997212611315
(2019-Nov-29.49721261)
6.0024e-05 TDB
period 1325.157569458252
3.63
8.7074e-06
2.384e-08
d
yr
n .2716658066158686 1.7851e-09 deg/d
Q 2.753358791754016 1.2061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      6700 days (18.34 yr)  
   first obs. used      2001-06-28  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54176  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:49:09  

Additional Information
 Earth MOID = .962546 au 
 Jupiter MOID = 2.64641 au 
 T_jup = 3.531 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO436524  
rotation period rot_per 5.606 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

108930 (2001 PQ22)          Discovered 2001-Aug-10 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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