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JPL Small-Body Database Browser
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423366 (2005 JH39)
Classification: Main-belt Asteroid          SPK-ID: 2423366
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605106078588062 8.3371e-08  
a 3.142271910868091 5.4311e-08 au
q 2.637903936397001 2.6037e-07 au
i 9.885506011039787 1.025e-05 deg
node 229.9503258209724 5.765e-05 deg
peri 20.19709321097329 6.7001e-05 deg
M 239.9777454762172 3.8313e-05 deg
tp 2459678.802396281381
(2022-Apr-09.30239628)
0.00022607 TDB
period 2034.529876398134
5.57
5.2747e-05
1.444e-07
d
yr
n .1769450545682487 4.5875e-09 deg/d
Q 3.646639885339181 6.3028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      4466 days (12.23 yr)  
   first obs. used      2005-05-07  
   last obs. used      2017-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59976  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:05:49  

Additional Information
 Earth MOID = 1.62679 au 
 Jupiter MOID = 1.39113 au 
 T_jup = 3.167 
[ 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 16.7   n/a MPO419085  
diameter diameter 3.662 km 1.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.025   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

423366 (2005 JH39)          Discovered 2005-May-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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