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13807 (1998 XE13)
Classification: Main-belt Asteroid          SPK-ID: 2013807
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 63 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07372170580949955 4.1549e-08  
a 2.867326847316343 1.2266e-08 au
q 2.655942621018808 1.1843e-07 au
i 3.013655005782988 3.5339e-06 deg
node 66.73191472252452 8.5731e-05 deg
peri 270.2404946790338 8.9211e-05 deg
M 264.202638910743 2.6277e-05 deg
tp 2459672.416621032432
(2022-Apr-02.91662103)
0.00013022 TDB
period 1773.430725439131
4.86
1.138e-05
3.116e-08
d
yr
n .2029963701631807 1.3026e-09 deg/d
Q 3.078711073613879 1.3171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1764  
   data-arc span      11163 days (30.56 yr)  
   first obs. used      1989-12-01  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53715  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:08:18  

Additional Information
 Earth MOID = 1.64669 au 
 Jupiter MOID = 2.19616 au 
 T_jup = 3.293 
[ 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 13.88   n/a E2021B10  
diameter diameter 4.570 km 1.256 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.255   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13807 (1998 XE13)          Discovered 1998-Dec-15 by ODAS at Caussols
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XE13 = 1991 HA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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