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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149780774874654 5.1297e-08  
a 2.426111470753665 8.4208e-09 au
q 1.904550691000755 1.2731e-07 au
i 6.548813306080425 4.29e-06 deg
node 304.8404997786538 3.6077e-05 deg
peri 193.4160138711549 3.7187e-05 deg
M 261.2192904354837 9.4109e-06 deg
tp 2459579.233912516573
(2021-Dec-30.73391252)
3.7084e-05 TDB
period 1380.271604719708
3.78
7.1862e-06
1.967e-08
d
yr
n .2608182322732817 1.3579e-09 deg/d
Q 2.947672250506575 1.0231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1317  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1998-12-14  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52179  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:09  

Additional Information
 Earth MOID = .918801 au 
 Jupiter MOID = 2.0976 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 14.87   n/a E2021B55  
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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