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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2387127616127381 4.553e-08  
a 2.462476511862274 1.1916e-08 au
q 1.874651943309129 1.1593e-07 au
i 6.503437350582161 4.1632e-06 deg
node 42.89494937052945 5.2915e-05 deg
peri 330.1199439399528 5.4102e-05 deg
M 35.8646973790749 1.417e-05 deg
tp 2458459.888370280591
(2018-Dec-07.38837028)
5.5074e-05 TDB
period 1411.420990506427
3.86
1.0245e-05
2.805e-08
d
yr
n .2550620987086423 1.8514e-09 deg/d
Q 3.05030108041542 1.4761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      9445 days (25.86 yr)  
   first obs. used      1993-01-29  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55676  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:40:24  

Additional Information
 Earth MOID = .878154 au 
 Jupiter MOID = 2.41302 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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