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103098 (1999 XA173)
Classification: Main-belt Asteroid          SPK-ID: 2103098
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339884180586071 2.9863e-08  
a 2.189923676253917 6.0828e-09 au
q 1.896499267203565 6.4185e-08 au
i 3.067863999710613 4.6324e-06 deg
node 15.20987686600332 5.7893e-05 deg
peri 82.91383421163034 6.0485e-05 deg
M 175.1536442104624 1.7743e-05 deg
tp 2458624.584758590994
(2019-May-21.08475859)
5.7535e-05 TDB
period 1183.700675151912
3.24
4.9318e-06
1.35e-08
d
yr
n .3041309408341757 1.2672e-09 deg/d
Q 2.483348085304268 6.8979e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      7525 days (20.60 yr)  
   first obs. used      1999-11-16  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:50:43  

Additional Information
 Earth MOID = .916026 au 
 Jupiter MOID = 2.65338 au 
 T_jup = 3.660 
[ 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 15.97   n/a E2021B55  
diameter diameter 1.824 km 0.426 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.279   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103098 (1999 XA173)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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