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JPL Small-Body Database Browser
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71077 (1999 XZ117)
Classification: Main-belt Asteroid          SPK-ID: 2071077
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2389374309803078 4.4569e-08  
a 2.462091444716236 1.1629e-08 au
q 1.873805640077144 1.132e-07 au
i 6.503336176470541 4.0055e-06 deg
node 42.88400571814548 5.2813e-05 deg
peri 330.0893840768608 5.3998e-05 deg
M 137.9216883282124 1.4516e-05 deg
tp 2458459.889147760273
(2018-Dec-07.38914776)
5.4983e-05 TDB
period 1411.089939264408
3.86
9.9977e-06
2.737e-08
d
yr
n .2551219380018155 1.8076e-09 deg/d
Q 3.050377249355328 1.4408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      9951 days (27.24 yr)  
   first obs. used      1993-01-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:42:49  

Additional Information
 Earth MOID = .878097 au 
 Jupiter MOID = 2.41619 au 
 T_jup = 3.441 
[ 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 16.0   n/a MPO417318  
diameter diameter 4.047 km 0.434 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71077 (1999 XZ117)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XZ117 = 1995 WT3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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