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146986 (2002 PE18)
Classification: Main-belt Asteroid          SPK-ID: 2146986
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .192458392461468 5.6571e-08  
a 2.398600683587645 1.119e-08 au
q 1.936969851867388 1.3861e-07 au
i 2.476870135086992 6.6223e-06 deg
node 167.5128804300463 0.00012178 deg
peri 202.9940905047459 0.00012288 deg
M 243.7446063212186 1.7499e-05 deg
tp 2459438.673357054534
(2021-Aug-12.17335705)
6.7895e-05 TDB
period 1356.860989826255
3.71
9.495e-06
2.6e-08
d
yr
n .2653182622975238 1.8566e-09 deg/d
Q 2.860231515307901 1.3343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      10454 days (28.62 yr)  
   first obs. used      1991-09-07  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:57:55  

Additional Information
 Earth MOID = .936888 au 
 Jupiter MOID = 2.60254 au 
 T_jup = 3.501 
[ 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 17.2   n/a MPO330023  

146986 (2002 PE18)          Discovered 2002-Aug-06 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2002 PE18 = 1995 US73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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