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

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06987908696231657 8.3006e-08  
a 2.870190227786281 2.4652e-08 AU
q 2.669623955260413 2.2568e-07 AU
i 2.456796716787187 6.7826e-06 deg
node 154.0515406737811 0.00012978 deg
peri 176.6766431544723 0.00013907 deg
M 133.345301090174 5.3118e-05 deg
tp 2456342.630632665355
(2013-Feb-19.13063267)
0.00025823 JED
period 1776.087873395068
4.86
2.2882e-05
6.265e-08
d
yr
n .2026926738212815 2.6114e-09 deg/d
Q 3.07075650031215 2.6375e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1545  
   data-arc span      22210 days (60.81 yr)  
   first obs. used      1954-07-29  
   last obs. used      2015-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49431  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:41:06  

Additional Information
 Earth MOID = 1.65931 AU 
 T_jup = 3.293 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.2 mag n/a MPO337272  
rotation period rot_per 3.3663 h n/a LCDB (Rev. 2015-July); 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., in press.]

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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