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43689 (2002 JY71)
Classification: Main-belt Asteroid          SPK-ID: 2043689
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355143289575811 4.442e-08  
a 2.675919428720391 1.481e-08 au
q 2.313294002992793 1.231e-07 au
i 9.486195113511387 4.7721e-06 deg
node 167.693705524859 2.3841e-05 deg
peri 2.450185970294078 2.8264e-05 deg
M 137.1919487164212 1.4473e-05 deg
tp 2458591.195900294881
(2019-Apr-17.69590029)
6.3803e-05 TDB
period 1598.850938018549
4.38
1.3273e-05
3.634e-08
d
yr
n .2251617029703512 1.8692e-09 deg/d
Q 3.038544854447988 1.6817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1072  
   data-arc span      10014 days (27.42 yr)  
   first obs. used      1993-03-18  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:21:43  

Additional Information
 Earth MOID = 1.31916 au 
 Jupiter MOID = 1.9273 au 
 T_jup = 3.346 
[ 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 14.65   n/a E2021B10  
diameter diameter 3.165 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.547 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.368   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43689 (2002 JY71)          Discovered 2002-May-08 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 JY71 = 1997 FC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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