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102974 (1999 XQ75)
Classification: Main-belt Asteroid          SPK-ID: 2102974
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1503280031985333 3.9094e-08  
a 2.545584938873462 1.2141e-08 au
q 2.162912238040354 1.019e-07 au
i 5.769908386897751 4.619e-06 deg
node 96.02162974003635 5.0714e-05 deg
peri 72.03820875854807 5.4329e-05 deg
M 356.1648197685802 1.9974e-05 deg
tp 2459216.303857073875
(2021-Jan-01.80385707)		 8.2326e-05 TDB
period 1483.473579672893
4.06		 1.0613e-05
2.906e-08		 d
yr
n .2426736848790932 1.7361e-09 deg/d
Q 2.92825763970657 1.3966e-08 au
   Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      20763 days (56.85 yr)  
   first obs. used      1964-03-11  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:32:56  

Additional Information
 Earth MOID = 1.17782 au 
 Jupiter MOID = 2.06098 au 
 T_jup = 3.420 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.58   n/a E2021B55  

102974 (1999 XQ75)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XQ75 = 1964 EM = 2001 KG35 = 2001 MC31 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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