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109380 (2001 QP164)
Classification: Main-belt Asteroid          SPK-ID: 2109380
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2895189071823876 4.5883e-08  
a 2.716106406862109 1.17e-08 au
q 1.92974224815631 1.2271e-07 au
i 12.33357962367618 5.5631e-06 deg
node 19.81285747643232 1.9132e-05 deg
peri 304.7414264464793 2.1239e-05 deg
M 72.35303652503529 7.3133e-06 deg
tp 2458671.895990335138
(2019-Jul-07.39599033)
3.2991e-05 TDB
period 1635.003161732091
4.48
1.0564e-05
2.892e-08
d
yr
n .2201830604526922 1.4227e-09 deg/d
Q 3.502470565567908 1.5087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      7213 days (19.75 yr)  
   first obs. used      2000-05-05  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:24:27  

Additional Information
 Earth MOID = .949082 au 
 Jupiter MOID = 1.99415 au 
 T_jup = 3.267 
[ 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 MPO502755  
diameter diameter 7.110 km 0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109380 (2001 QP164)          Discovered 2001-Aug-22 by NEAT at Palomar
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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