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108929 (2001 PL22)
Classification: Main-belt Asteroid          SPK-ID: 2108929
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04053548572678724 5.4114e-08  
a 3.101356553136815 2.8938e-08 au
q 2.975641558843459 1.6818e-07 au
i 10.02214862569004 5.9892e-06 deg
node 329.9323824383497 2.6712e-05 deg
peri 4.374407446132744 6.9257e-05 deg
M 147.3862915045656 6.6202e-05 deg
tp 2458183.766131572818
(2018-Mar-06.26613157)
0.00036549 TDB
period 1994.92225248559
5.46
2.7921e-05
7.644e-08
d
yr
n .1804581604879363 2.5257e-09 deg/d
Q 3.227071547430171 3.0111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:44:40  

Additional Information
 Earth MOID = 1.9652 au 
 Jupiter MOID = 2.01655 au 
 T_jup = 3.197 
[ 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 14.5   n/a MPO469111  
diameter diameter 7.845 km 0.341 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108929 (2001 PL22)          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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