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85823 (1998 XM19)
Classification: Main-belt Asteroid          SPK-ID: 2085823
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1191943440573496 3.5413e-08  
a 3.029012018330397 1.6259e-08 au
q 2.667970917663677 1.0885e-07 au
i 3.128376670220607 3.9921e-06 deg
node 81.32494612871501 8.2984e-05 deg
peri 42.77182526277063 8.6196e-05 deg
M 48.79329892328628 2.1062e-05 deg
tp 2459135.519774114032
(2020-Oct-13.01977411)
0.00011276 TDB
period 1925.528369513668
5.27
1.5504e-05
4.245e-08
d
yr
n .1869616702094737 1.5054e-09 deg/d
Q 3.390053118997118 1.8197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      8197 days (22.44 yr)  
   first obs. used      1998-11-27  
   last obs. used      2021-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52937  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:27:03  

Additional Information
 Earth MOID = 1.68515 au 
 Jupiter MOID = 1.67451 au 
 T_jup = 3.231 
[ 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 15.16   n/a MPCxxxxx  
diameter diameter 5.490 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85823 (1998 XM19)          Discovered 1998-Dec-10 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 XM19 = 1999 CD146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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