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JPL Small-Body Database Browser
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185998 (2001 PM46)
Classification: Main-belt Asteroid          SPK-ID: 2185998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157420727633274 1.4399e-07  
a 2.549310355991402 2.6221e-08 au
q 2.254247891271941 3.7434e-07 au
i 15.14613790046995 9.1186e-06 deg
node 24.12600622341825 2.561e-05 deg
peri 338.8639394396914 4.8654e-05 deg
M 195.378796812965 5.1666e-05 deg
tp 2459680.354165674181
(2022-Apr-10.85416567)
0.00021728 TDB
period 1486.731325639957
4.07
2.2938e-05
6.28e-08
d
yr
n .2421419349895244 3.7359e-09 deg/d
Q 2.844372820710863 2.9256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6737 days (18.44 yr)  
   first obs. used      2001-08-12  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:13:27  

Additional Information
 Earth MOID = 1.25941 au 
 Jupiter MOID = 2.62617 au 
 T_jup = 3.383 
[ 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 15.9   n/a MPO418004  

185998 (2001 PM46)          Discovered 2001-Aug-12 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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