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49926 (1999 XK175)
Classification: Main-belt Asteroid          SPK-ID: 2049926
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2071602496078127 4.4841e-08  
a 2.326266060177652 1.15e-08 au
q 1.844356202497067 1.0723e-07 au
i 5.630274498635387 5.2026e-06 deg
node 45.8163255967741 4.5436e-05 deg
peri 336.5494359745195 4.7429e-05 deg
M 337.3321448252806 1.8333e-05 deg
tp 2459082.100990809176
(2020-Aug-20.60099081)
6.6404e-05 TDB
period 1295.947784423195
3.55
9.6097e-06
2.631e-08
d
yr
n .2777889698389586 2.0599e-09 deg/d
Q 2.808175917858237 1.3882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      9217 days (25.23 yr)  
   first obs. used      1994-05-04  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:37:16  

Additional Information
 Earth MOID = .849496 au 
 Jupiter MOID = 2.64815 au 
 T_jup = 3.539 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO436133  

49926 (1999 XK175)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XK175 = 1994 JT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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