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97291 (1999 XL169)
Classification: Main-belt Asteroid          SPK-ID: 2097291
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1224587929804779 4.4866e-08  
a 3.139420562812408 2.328e-08 au
q 2.754970910032307 1.4242e-07 au
i 4.557126429911499 5.0111e-06 deg
node 16.78442118685978 5.8425e-05 deg
peri 118.5650090303413 6.1228e-05 deg
M 199.7766236158806 1.929e-05 deg
tp 2459904.765690574689
(2022-Nov-21.26569057)
0.00011265 TDB
period 2031.761257024374
5.56
2.26e-05
6.188e-08
d
yr
n .1771861722214547 1.9709e-09 deg/d
Q 3.523870215592508 2.6131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      7986 days (21.86 yr)  
   first obs. used      1998-09-16  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:48:17  

Additional Information
 Earth MOID = 1.7725 au 
 Jupiter MOID = 1.51373 au 
 T_jup = 3.194 
[ 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 14.4   n/a MPO302545  

97291 (1999 XL169)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 XL169 = 1998 UY46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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