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14887 (1991 RQ14)
Classification: Main-belt Asteroid          SPK-ID: 2014887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636846814638112 3.1737e-08  
a 3.179784641165448 1.6116e-08 au
q 2.659302605052762 1.0019e-07 au
i 1.937082708248293 3.6188e-06 deg
node 58.7063487577911 0.00010726 deg
peri 286.6370376767813 0.0001079 deg
M 106.2896074260535 1.1101e-05 deg
tp 2458785.018545308497
(2019-Oct-28.51854531)
6.3815e-05 TDB
period 2071.071001387314
5.67
1.5745e-05
4.311e-08
d
yr
n .1738231087967784 1.3215e-09 deg/d
Q 3.700266677278133 1.8754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1631  
   data-arc span      12511 days (34.25 yr)  
   first obs. used      1986-11-25  
   last obs. used      2021-02-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50468  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:21:26  

Additional Information
 Earth MOID = 1.65208 au 
 Jupiter MOID = 1.71541 au 
 T_jup = 3.178 
[ 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 13.88   n/a E2021B10  
diameter diameter 8.584 km 0.535 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14887 (1991 RQ14)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RQ14 = 1986 WE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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