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300825 (2007 XL9)
Classification: Main-belt Asteroid          SPK-ID: 2300825
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02146407457581359 4.8789e-08  
a 3.005225545991563 3.6983e-08 au
q 2.94072116075526 1.4971e-07 au
i 5.734411925778398 5.7054e-06 deg
node 69.21060873854412 5.5248e-05 deg
peri 271.8076269200031 0.0001482 deg
M 253.0647184547095 0.00013865 deg
tp 2459565.739561986254
(2021-Dec-17.23956199)
0.00073584 TDB
period 1902.891537521868
5.21
3.5126e-05
9.617e-08
d
yr
n .1891857696045184 3.4923e-09 deg/d
Q 3.069729931227866 3.7777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      4958 days (13.57 yr)  
   first obs. used      2006-09-30  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:36:41  

Additional Information
 Earth MOID = 1.93853 au 
 Jupiter MOID = 2.00915 au 
 T_jup = 3.243 
[ 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 15.9   n/a MPO433939  

300825 (2007 XL9)          Discovered 2007-Dec-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 2007 XL9 = 2009 FR44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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