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117127 (2004 PQ40)
Classification: Main-belt Asteroid          SPK-ID: 2117127
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05410486045627288 6.6679e-08  
a 3.082268693522076 3.3614e-08 au
q 2.915502975970326 2.1352e-07 au
i 6.896439417230661 5.0277e-06 deg
node 276.7395588928931 6.5571e-05 deg
peri 124.365219339349 9.0866e-05 deg
M 203.4332493312432 6.287e-05 deg
tp 2459460.109501793494
(2021-Sep-02.60950179)
0.00035027 TDB
period 1976.533455052479
5.41
3.2333e-05
8.852e-08
d
yr
n .1821370637971021 2.9794e-09 deg/d
Q 3.249034411073827 3.5432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54815  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:27  

Additional Information
 Earth MOID = 1.93092 au 
 Jupiter MOID = 2.02713 au 
 T_jup = 3.214 
[ 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 14.8   n/a MPO445867  
diameter diameter 3.125 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.238   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

117127 (2004 PQ40)          Discovered 2004-Aug-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2004 PQ40 = 2001 AM11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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