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103107 (1999 XE177)
Classification: Main-belt Asteroid          SPK-ID: 2103107
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 .166719089653072 5.4794e-08  
a 2.45648550424819 1.0929e-08 au
q 2.046942477233964 1.3415e-07 au
i 11.23977542899407 5.1158e-06 deg
node 84.63020912444459 2.2584e-05 deg
peri 345.9453128993435 2.6585e-05 deg
M 143.2115254169067 1.2921e-05 deg
tp 2458441.070704398916
(2018-Nov-18.57070440)
4.9526e-05 TDB
period 1406.273313758132
3.85
9.3851e-06
2.57e-08
d
yr
n .2559957559302141 1.7085e-09 deg/d
Q 2.866028531262416 1.2751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1062  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:50:40  

Additional Information
 Earth MOID = 1.06357 au 
 Jupiter MOID = 2.41491 au 
 T_jup = 3.447 
[ 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 14.96   n/a E2021B55  
diameter diameter 4.277 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103107 (1999 XE177)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XE177 = 2001 KZ37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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