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49895 (1999 XK160)
Classification: Main-belt Asteroid          SPK-ID: 2049895
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05792236057471718 4.4161e-08  
a 2.311768361905628 1.1252e-08 au
q 2.177865281282107 1.0021e-07 au
i 5.421265014010247 4.0602e-06 deg
node 237.1268023758586 4.8637e-05 deg
peri 334.00323731921 6.2683e-05 deg
M 185.3280524353229 3.9683e-05 deg
tp 2459623.424715374991
(2022-Feb-12.92471538)
0.00014169 TDB
period 1283.851818575281
3.51
9.373e-06
2.566e-08
d
yr
n .2804061923590995 2.0472e-09 deg/d
Q 2.445671442529149 1.1903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      9122 days (24.97 yr)  
   first obs. used      1995-10-24  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:30:19  

Additional Information
 Earth MOID = 1.17239 au 
 Jupiter MOID = 2.52755 au 
 T_jup = 3.576 
[ 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 15.6   n/a MPO436132  

49895 (1999 XK160)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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