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JPL Small-Body Database Browser
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109628 (2001 QP323)
Classification: Main-belt Asteroid          SPK-ID: 2109628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2597292290342882 4.0839e-08  
a 2.62587576642449 1.3371e-08 au
q 1.943859078071236 1.0991e-07 au
i 11.16767003278776 3.617e-06 deg
node 150.9837319644954 2.85e-05 deg
peri 294.9197399839035 2.9556e-05 deg
M .2485847315744127 8.7393e-06 deg
tp 2458599.426797590503
(2019-Apr-25.92679759)
3.7726e-05 TDB
period 1554.20996684752
4.26
1.1871e-05
3.25e-08
d
yr
n .2316289353942347 1.7692e-09 deg/d
Q 3.307892454777743 1.6844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1147  
   data-arc span      15461 days (42.33 yr)  
   first obs. used      1976-10-31  
   last obs. used      2019-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47668  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:49:54  

Additional Information
 Earth MOID = .989798 au 
 Jupiter MOID = 2.02123 au 
 T_jup = 3.328 
[ 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 14.9   n/a MPO325225  
diameter diameter 5.446 km 1.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.055   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

109628 (2001 QP323)          Discovered 2001-Aug-27 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QP323 = 1976 UA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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