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146360 (2001 PM4)
Classification: Main-belt Asteroid          SPK-ID: 2146360
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279317839982944 5.02e-08  
a 2.686249223249054 1.6578e-08 au
q 2.34259256785477 1.4012e-07 au
i 21.14661811474505 5.1252e-06 deg
node 255.8346354386952 1.6698e-05 deg
peri 179.6991699838351 3.3578e-05 deg
M 10.28083209020814 2.6767e-05 deg
tp 2458954.575583538055
(2020-Apr-15.07558354)
0.00011956 TDB
period 1608.117882019152
4.40
1.4887e-05
4.076e-08
d
yr
n .2238641855956381 2.0724e-09 deg/d
Q 3.029905878643338 1.8699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      6746 days (18.47 yr)  
   first obs. used      2001-08-10  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:36:51  

Additional Information
 Earth MOID = 1.35781 au 
 Jupiter MOID = 2.2589 au 
 T_jup = 3.266 
[ 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 15.2   n/a MPO502885  
diameter diameter 2.477 km 0.543 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.346   0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146360 (2001 PM4)          Discovered 2001-Aug-10 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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