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49658 (1999 JK105)
Classification: Outer Main-belt Asteroid          SPK-ID: 2049658
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09985046837118221 4.2574e-08  
a 3.223551401803854 2.0952e-08 au
q 2.901678284515158 1.4302e-07 au
i 12.83617369355852 5.4147e-06 deg
node 238.3254228521614 2.0171e-05 deg
peri 199.4997542800067 3.315e-05 deg
M 289.0216442200616 2.6435e-05 deg
tp 2459017.296209200414
(2020-Jun-16.79620920)
0.00015627 TDB
period 2113.977333841803
5.79
2.061e-05
5.643e-08
d
yr
n .170295108768153 1.6603e-09 deg/d
Q 3.54542451909255 2.3044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1430  
   data-arc span      15920 days (43.59 yr)  
   first obs. used      1976-05-03  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49599  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:22:55  

Additional Information
 Earth MOID = 1.91963 au 
 Jupiter MOID = 1.77877 au 
 T_jup = 3.141 
[ 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 13.2   n/a MPO324755  
diameter diameter 6.501 km 0.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.317   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49658 (1999 JK105)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JK105 = 1976 JW5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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