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14869 (1990 ST8)
Classification: Main-belt Asteroid          SPK-ID: 2014869
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918758337661068 3.1675e-08  
a 2.34632366794114 7.6365e-09 au
q 1.896120857869783 7.3552e-08 au
i 3.513886738368597 3.2356e-06 deg
node 51.78051844248312 5.7028e-05 deg
peri 278.8924995325451 5.7588e-05 deg
M 168.5926023286363 8.5849e-06 deg
tp 2458585.724824286327
(2019-Apr-12.22482429)
3.0338e-05 TDB
period 1312.744807304812
3.59
6.4088e-06
1.755e-08
d
yr
n .274234564095602 1.3388e-09 deg/d
Q 2.796526478012496 9.1018e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1522  
   data-arc span      18248 days (49.96 yr)  
   first obs. used      1971-03-25  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .506  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:41:06  

Additional Information
 Earth MOID = .8874 au 
 Jupiter MOID = 2.56248 au 
 T_jup = 3.533 
[ 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 15.06   n/a E2021B10  
diameter diameter 5.907 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14869 (1990 ST8)          Discovered 1990-Sep-22 by Elst, E. W. at La Silla
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 ST8 = 2276 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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