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14020 (1994 PE18)
Classification: Main-belt Asteroid          SPK-ID: 2014020
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517224929084163 3.1255e-08  
a 2.294964767796438 7.5234e-09 au
q 1.946766992089378 7.1601e-08 au
i .6439792578724963 4.0061e-06 deg
node 316.2093412235589 0.00036332 deg
peri 339.6998995440117 0.00036364 deg
M 235.2957113485449 1.7168e-05 deg
tp 2459640.387224869346
(2022-Mar-01.88722487)
6.1438e-05 TDB
period 1269.879349503163
3.48
6.2444e-06
1.71e-08
d
yr
n .2834914987324181 1.394e-09 deg/d
Q 2.643162543503498 8.6648e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1339  
   data-arc span      10716 days (29.34 yr)  
   first obs. used      1991-11-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52341  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:15:52  

Additional Information
 Earth MOID = .928848 au 
 Jupiter MOID = 2.53709 au 
 T_jup = 3.580 
[ 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 15.15   n/a E2021B10  
diameter diameter 2.483 km 0.389 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.286   0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14020 (1994 PE18)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PE18 = 1998 WD10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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