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118460 (1999 XM6)
Classification: Main-belt Asteroid          SPK-ID: 2118460
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 .3017132411677506 4.7037e-08  
a 3.068958788873207 1.707e-08 au
q 2.143013285672018 1.4428e-07 au
i 16.28440164645954 5.9474e-06 deg
node 52.24877959129403 1.6563e-05 deg
peri 111.5462438603256 1.8849e-05 deg
M 223.0488234539674 8.153e-06 deg
tp 2459747.547606499472
(2022-Jun-17.04760650)
4.7553e-05 TDB
period 1963.744636026648
5.38
1.6384e-05
4.486e-08
d
yr
n .1833232251258533 1.5295e-09 deg/d
Q 3.994904292074397 2.222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1032  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49212  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 20:11:50  

Additional Information
 Earth MOID = 1.20814 au 
 Jupiter MOID = 1.34212 au 
 T_jup = 3.101 
[ 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 14.0   n/a MPO417617  

118460 (1999 XM6)          Discovered 1999-Dec-04 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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