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14391 (1990 RE2)
Classification: Main-belt Asteroid          SPK-ID: 2014391
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986987459496412 3.7215e-08  
a 2.459048506582543 8.397e-09 au
q 1.970438652095253 9.4248e-08 au
i 3.552855619458445 3.9628e-06 deg
node 194.928351995035 5.117e-05 deg
peri 193.1129467574395 5.1871e-05 deg
M 284.0883249704047 9.5535e-06 deg
tp 2459497.499107319946
(2021-Oct-09.99910732)
3.8179e-05 TDB
period 1408.474764830262
3.86
7.2144e-06
1.975e-08
d
yr
n .2555956336522538 1.3092e-09 deg/d
Q 2.947658361069832 1.0065e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1749  
   data-arc span      12423 days (34.01 yr)  
   first obs. used      1986-08-12  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47814  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:27:55  

Additional Information
 Earth MOID = .974102 au 
 Jupiter MOID = 2.49996 au 
 T_jup = 3.461 
[ 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 14.54   n/a E2021B10  
diameter diameter 6.695 km 1.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.075   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14391 (1990 RE2)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RE2 = 1986 PB7 = 1992 EC13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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