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(1999 XK136)
Classification: Apollo [NEO, PHA]          SPK-ID: 3024714
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7023690359814393 6.715e-07  
a 2.377034910748092 4.0063e-08 au
q .707479191991728 1.5847e-06 au
i 2.685296289704656 3.25e-05 deg
node 62.88525568265723 0.00029394 deg
peri 303.318551937232 0.00028214 deg
M 217.8676730748317 3.0992e-05 deg
tp 2459528.996520606727
(2021-Nov-10.49652061)
0.00012827 TDB
period 1338.602916974627
3.66
3.3841e-05
9.265e-08
d
yr
n .268937110053245 6.799e-09 deg/d
Q 4.046590629504456 6.8202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      4045 days (11.07 yr)  
   first obs. used      1999-12-10  
   last obs. used      2011-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53459  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:17:13  

Additional Information
 Earth MOID = .0117591 au 
 Jupiter MOID = 1.41666 au 
 T_jup = 3.150 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.3   n/a MPO189189  
diameter diameter 0.811 km 0.403 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  
geometric albedo albedo 0.020   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  

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