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80342 (1999 XL110)
Classification: Main-belt Asteroid          SPK-ID: 2080342
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09996341833378923 3.7303e-08  
a 2.313977339525264 9.4933e-09 au
q 2.082664254719391 8.8144e-08 au
i 2.599154509875991 4.74e-06 deg
node 255.2645571905501 0.00010211 deg
peri 246.0853689507368 0.00010625 deg
M 224.8679521877752 2.8759e-05 deg
tp 2459483.106244231983
(2021-Sep-25.60624423)
0.00010355 TDB
period 1285.692407806436
3.52
7.912e-06
2.166e-08
d
yr
n .2800047646032291 1.7231e-09 deg/d
Q 2.545290424331137 1.0442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      10194 days (27.91 yr)  
   first obs. used      1992-11-25  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54943  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:19:55  

Additional Information
 Earth MOID = 1.09713 au 
 Jupiter MOID = 2.4696 au 
 T_jup = 3.574 
[ 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 16.3   n/a MPO436342  

80342 (1999 XL110)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XL110 = 2002 RO231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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