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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277093166026771 5.0227e-08  
a 2.685418315131002 1.661e-08 au
q 2.34246537731331 1.4015e-07 au
i 21.14742859366269 5.1284e-06 deg
node 255.8332928840733 1.6984e-05 deg
peri 179.7952198002503 3.3782e-05 deg
M 280.6212600089575 2.6972e-05 deg
tp 2458954.919857695435
(2020-Apr-15.41985770)
0.0001205 TDB
period 1607.371807422928
4.40
1.4913e-05
4.083e-08
d
yr
n .2239680939640107 2.078e-09 deg/d
Q 3.028371252948695 1.8732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      6690 days (18.32 yr)  
   first obs. used      2001-08-10  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45642  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:35:50  

Additional Information
 Earth MOID = 1.35754 au 
 Jupiter MOID = 2.26009 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 15.3   n/a MPO410805  
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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