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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156601207685839 3.7737e-08  
a 2.763516241275779 1.7086e-08 au
q 2.443887619063879 1.0487e-07 au
i 4.456671717147531 6.5094e-06 deg
node 7.871945893497133 5.3057e-05 deg
peri 108.1175697259893 6.0108e-05 deg
M 119.8746214650293 2.8148e-05 deg
tp 2458441.751710260799
(2018-Nov-19.25171026)
0.00012978 TDB
period 1677.99807705581
4.59
1.5562e-05
4.261e-08
d
yr
n .2145413662402108 1.9897e-09 deg/d
Q 3.083144863487679 1.9063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      7154 days (19.59 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50998  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:14:10  

Additional Information
 Earth MOID = 1.46463 au 
 Jupiter MOID = 2.00101 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)  
rotation period rot_per 5.30 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
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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