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103080 (1999 XG158)
Classification: Main-belt Asteroid          SPK-ID: 2103080
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157113947749372 4.8402e-08  
a 2.431236850556883 1.1369e-08 au
q 2.049255631052141 1.1627e-07 au
i 2.94814724007455 5.9454e-06 deg
node 192.4307334792713 7.0039e-05 deg
peri 238.6494381087897 7.2146e-05 deg
M 145.276523359841 1.6018e-05 deg
tp 2458441.731044979006
(2018-Nov-19.23104498)
6.0953e-05 TDB
period 1384.64783679676
3.79
9.7121e-06
2.659e-08
d
yr
n .2599939063443186 1.8236e-09 deg/d
Q 2.813218070061624 1.3155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      10505 days (28.76 yr)  
   first obs. used      1991-09-13  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55885  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:50:50  

Additional Information
 Earth MOID = 1.06552 au 
 Jupiter MOID = 2.46191 au 
 T_jup = 3.489 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.37   n/a E2021B55  
diameter diameter 2.995 km 0.514 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103080 (1999 XG158)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XG158 = 1997 HZ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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