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118461 (1999 XJ10)
Classification: Main-belt Asteroid          SPK-ID: 2118461
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 .1309351279252155 4.3948e-08  
a 3.068160490142557 2.4753e-08 au
q 2.666430503870649 1.391e-07 au
i 12.84733314928222 5.1723e-06 deg
node 258.5216556474794 2.5262e-05 deg
peri 176.1475334745641 3.5378e-05 deg
M 271.2988844201134 2.4544e-05 deg
tp 2459484.162167288118
(2021-Sep-26.66216729)
0.00013583 TDB
period 1962.978470850311
5.37
2.3755e-05
6.504e-08
d
yr
n .183394777551512 2.2193e-09 deg/d
Q 3.469890476414464 2.7994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7648 days (20.94 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 20:12:08  

Additional Information
 Earth MOID = 1.68175 au 
 Jupiter MOID = 1.80811 au 
 T_jup = 3.180 
[ 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 MPO359568  

118461 (1999 XJ10)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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