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2814 Vieira (1982 FA3)
Classification: Main-belt Asteroid          SPK-ID: 2002814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0710294601753798 3.9542e-08  
a 2.868881914043898 1.246e-08 au
q 2.66510678038245 1.1152e-07 au
i 2.461740555344813 4.0759e-06 deg
node 154.0205510843669 8.5143e-05 deg
peri 179.0389734775433 8.9878e-05 deg
M 176.3486530360708 3.0711e-05 deg
tp 2458131.065074638476
(2018-Jan-12.56507464)
0.00015019 TDB
period 1774.873625295723
4.86
1.1563e-05
3.166e-08
d
yr
n .2028313423948807 1.3214e-09 deg/d
Q 3.072657047705346 1.3346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2886  
   data-arc span      24062 days (65.88 yr)  
   first obs. used      1954-07-29  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44047  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:50:08  

Additional Information
 Earth MOID = 1.65462 au 
 Jupiter MOID = 2.18363 au 
 T_jup = 3.294 
[ 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 12.2   n/a MPO337272  
diameter diameter 9.879 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.366 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.262   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2814 Vieira (1982 FA3)          Discovered 1982-Mar-18 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 FA3 = 1969 RK2 = 1977 FA1 = 1979 SE11 = 1979 TD2 = 1982 HV2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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