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101518 (1998 XF45)
Classification: Main-belt Asteroid          SPK-ID: 2101518
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2147470074398448 5.1469e-08  
a 2.426461391034918 8.501e-09 au
q 1.905386068641846 1.2772e-07 au
i 6.54866766062204 4.5411e-06 deg
node 304.8393557193671 3.6185e-05 deg
peri 193.4088397662129 3.7373e-05 deg
M 209.051504972497 9.4233e-06 deg
tp 2459579.374996769867
(2021-Dec-30.87499677)
3.7559e-05 TDB
period 1380.570232244994
3.78
7.2552e-06
1.986e-08
d
yr
n .2607618153656632 1.3704e-09 deg/d
Q 2.94753671342799 1.0327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1272  
   data-arc span      7985 days (21.86 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5252  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:07  

Additional Information
 Earth MOID = .919732 au 
 Jupiter MOID = 2.09831 au 
 T_jup = 3.470 
[ 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 14.9   n/a MPO449615  
diameter diameter 5.722 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101518 (1998 XF45)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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