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JPL Small-Body Database Browser
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4506 Hendrie (1990 FJ)
Classification: Main-belt Asteroid          SPK-ID: 2004506
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0123000775507418 3.636e-08  
a 2.882283634496559 1.4169e-08 au
q 2.846831322269018 1.0428e-07 au
i 3.004273175963237 3.9669e-06 deg
node 63.72686025992874 7.3707e-05 deg
peri 174.2526543949135 0.00017252 deg
M 353.8812481143513 0.0001564 deg
tp 2459030.878326314110
(2020-Jun-30.37832631)
0.0007765 TDB
period 1787.324878907083
4.89
1.3179e-05
3.608e-08
d
yr
n .2014183343210292 1.4852e-09 deg/d
Q 2.9177359467241 1.4343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2441  
   data-arc span      25637 days (70.19 yr)  
   first obs. used      1949-11-25  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45997  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:14:47  

Additional Information
 Earth MOID = 1.83363 au 
 Jupiter MOID = 2.04709 au 
 T_jup = 3.292 
[ 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 12.6   n/a MPO337289  
diameter diameter 8.754 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.511 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.269   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4506 Hendrie (1990 FJ)          Discovered 1990-Mar-24 by Manning, B. G. W. at Stakenbridge
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1990 FJ = 1980 DM2 = 1983 WE = 1987 RV2 = 1987 SF16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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