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JPL Small-Body Database Browser
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97261 (1999 XT119)
Classification: Main-belt Asteroid          SPK-ID: 2097261
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159980388013857 3.7931e-08  
a 2.762831029787707 1.7457e-08 au
q 2.44234804879272 1.0581e-07 au
i 4.457286278444759 6.5283e-06 deg
node 7.881199528050209 5.3563e-05 deg
peri 107.9711735637151 6.0576e-05 deg
M 34.14083830979953 2.8036e-05 deg
tp 2458441.425123636807
(2018-Nov-18.92512364)
0.00013024 TDB
period 1677.374028461153
4.59
1.5898e-05
4.353e-08
d
yr
n .2146211840004875 2.0342e-09 deg/d
Q 3.083314010782694 1.9482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:29:19  

Additional Information
 Earth MOID = 1.46342 au 
 Jupiter MOID = 2.00296 au 
 T_jup = 3.326 
[ 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 MPO337970  
diameter diameter 2.587 km 0.373 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.348   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97261 (1999 XT119)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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