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JPL Small-Body Database Browser
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80043 (1999 JS39)
Classification: Main-belt Asteroid          SPK-ID: 2080043
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04199310795335788 6.5779e-08  
a 3.077360676195372 2.7042e-08 au
q 2.948132737108482 2.0087e-07 au
i 11.47684978913933 7.4597e-06 deg
node 46.51750520139568 2.3137e-05 deg
peri 179.6227525827688 6.0253e-05 deg
M 254.5448194850816 5.7076e-05 deg
tp 2459178.105666789443
(2020-Nov-24.60566679)
0.00031412 TDB
period 1971.814367287371
5.40
2.5991e-05
7.116e-08
d
yr
n .1825729672997832 2.4065e-09 deg/d
Q 3.206588615282263 2.8178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      1999-05-08  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57053  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:51:44  

Additional Information
 Earth MOID = 1.93849 au 
 Jupiter MOID = 1.76965 au 
 T_jup = 3.197 
[ 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 14.1   n/a MPO436340  
diameter diameter 4.970 km 0.516 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80043 (1999 JS39)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 JS39 = 2001 SS71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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