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16814 (1997 UY8)
Classification: Main-belt Asteroid          SPK-ID: 2016814
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2039896573858371 2.5399e-08  
a 2.204846746752407 6.3101e-09 au
q 1.755080814294106 5.5353e-08 au
i 5.128026518922488 3.8772e-06 deg
node 57.43000703031119 3.1721e-05 deg
peri 274.2066987165427 3.3279e-05 deg
M 79.40875276885993 1.1531e-05 deg
tp 2458936.726043771804
(2020-Mar-28.22604377)
3.7867e-05 TDB
period 1195.820623433701
3.27
5.1335e-06
1.405e-08
d
yr
n .3010484958574218 1.2924e-09 deg/d
Q 2.654612679210708 7.5973e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1773  
   data-arc span      9092 days (24.89 yr)  
   first obs. used      1996-04-18  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47068  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:42:45  

Additional Information
 Earth MOID = .752058 au 
 Jupiter MOID = 2.71609 au 
 T_jup = 3.629 
[ 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 14.85   n/a E2021B10  
diameter diameter 2.621 km 0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.333   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16814 (1997 UY8)          Discovered 1997-Oct-29 by Kobayashi, T. at Oizumi
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 UY8 = 1999 FJ49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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