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3689 Yeates (1981 JJ2)
Classification: Main-belt Asteroid          SPK-ID: 2003689
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08469449725055737 5.1355e-08  
a 2.879027760837738 1.4391e-08 au
q 2.635189952063188 1.48e-07 au
i 9.340860992231837 5.7123e-06 deg
node 202.1438404097743 1.8761e-05 deg
peri 163.0533177355055 3.0384e-05 deg
M 260.288064834771 2.6173e-05 deg
tp 2459694.710365356096
(2022-Apr-25.21036536)
0.00013141 TDB
period 1784.2972482018
4.89
1.3379e-05
3.663e-08
d
yr
n .2017601049168265 1.5128e-09 deg/d
Q 3.122865569612289 1.561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2361  
   data-arc span      24687 days (67.59 yr)  
   first obs. used      1953-08-16  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:09:22  

Additional Information
 Earth MOID = 1.63406 au 
 Jupiter MOID = 2.30767 au 
 T_jup = 3.270 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.39   n/a E2021B10  
diameter diameter 14.138 km 0.297 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.85464 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.112   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3689 Yeates (1981 JJ2)          Discovered 1981-May-05 by Shoemaker, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 JJ2 = 1929 UM = 1958 UD = 1963 TB1 = 1968 UA3 = 1973 UE2 = 1978 WH = 1986 JY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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