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71163 (1999 XU199)
Classification: Main-belt Asteroid          SPK-ID: 2071163
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12288967657584 5.5878e-08  
a 2.619156244032684 1.5519e-08 au
q 2.297288980301915 1.4239e-07 au
i 7.525322239130375 6.0814e-06 deg
node 350.2462156260303 2.7963e-05 deg
peri 130.1955977405673 3.6515e-05 deg
M 268.473184727356 2.6019e-05 deg
tp 2459394.128365929354
(2021-Jun-28.62836593)
0.00011411 TDB
period 1548.248033239734
4.24
1.376e-05
3.767e-08
d
yr
n .2325208831343995 2.0666e-09 deg/d
Q 2.941023507763452 1.7426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      17755 days (48.61 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:13:46  

Additional Information
 Earth MOID = 1.32103 au 
 Jupiter MOID = 2.12863 au 
 T_jup = 3.383 
[ 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 15.3   n/a MPO263887  
diameter diameter 6.323 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71163 (1999 XU199)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XU199 = 1259 T-1 = 1992 ET11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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