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192898 (1999 XB145)
Classification: Main-belt Asteroid          SPK-ID: 2192898
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1350377908436553 6.4962e-08  
a 2.681936150044131 1.9837e-08 au
q 2.319773417158434 1.8199e-07 au
i 6.018155096713993 5.0271e-06 deg
node 231.9813391326594 5.9305e-05 deg
peri 104.3879440393583 6.2021e-05 deg
M 346.7486703491572 1.7675e-05 deg
tp 2459259.551105895774
(2021-Feb-14.05110590)
7.8916e-05 TDB
period 1604.246417726592
4.39
1.7799e-05
4.873e-08
d
yr
n .2244044281614558 2.4897e-09 deg/d
Q 3.044098882929829 2.2516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      1999-11-09  
   last obs. used      2019-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61764  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:01  

Additional Information
 Earth MOID = 1.31775 au 
 Jupiter MOID = 2.34624 au 
 T_jup = 3.355 
[ 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 16.0   n/a MPO433274  
diameter diameter 3.643 km 0.597 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192898 (1999 XB145)          Discovered 1999-Dec-07 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1999 XB145 = 2002 JU135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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