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JPL Small-Body Database Browser
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71158 (1999 XQ194)
Classification: Main-belt Asteroid          SPK-ID: 2071158
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07486795049267703 4.4325e-08  
a 3.034617156290123 2.1822e-08 au
q 2.807421589268766 1.2988e-07 au
i 11.66806968009155 5.1005e-06 deg
node 64.32363650340842 2.1732e-05 deg
peri 185.1766555483205 3.9093e-05 deg
M 159.2361702705529 3.3602e-05 deg
tp 2458146.429909278901
(2018-Jan-27.92990928)
0.0001795 TDB
period 1930.875580197587
5.29
2.0827e-05
5.702e-08
d
yr
n .1864439136793895 2.011e-09 deg/d
Q 3.26181272331148 2.3455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      10484 days (28.70 yr)  
   first obs. used      1991-05-15  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:21:46  

Additional Information
 Earth MOID = 1.7938 au 
 Jupiter MOID = 1.75975 au 
 T_jup = 3.206 
[ 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 13.7   n/a MPO351344  
diameter diameter 6.547 km 0.463 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71158 (1999 XQ194)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20031109/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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