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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517566832771766 2.8743e-08  
a 2.294577550342136 6.8467e-09 au
q 1.946360071779944 6.6884e-08 au
i .6439124543244859 3.8145e-06 deg
node 316.2034963034799 0.0003555 deg
peri 339.7700038346557 0.00035585 deg
M 290.8005066666109 1.7121e-05 deg
tp 2459640.535467999048
(2022-Mar-02.03546800)
6.0811e-05 TDB
period 1269.5579728655
3.48
5.6822e-06
1.556e-08
d
yr
n .2835632619339545 1.2692e-09 deg/d
Q 2.642795028904327 7.8857e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1553  
   data-arc span      10805 days (29.58 yr)  
   first obs. used      1991-11-12  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50745  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:24:50  

Additional Information
 Earth MOID = .929994 au 
 Jupiter MOID = 2.53662 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 15.16   n/a MPCxxxxx  
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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