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103225 (1999 YQ8)
Classification: Main-belt Asteroid          SPK-ID: 2103225
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873157597273197 4.4855e-08  
a 2.38064354964331 8.8809e-09 au
q 1.93471149450193 1.0888e-07 au
i 1.509736736544794 4.2755e-06 deg
node 75.52147553118951 0.00018094 deg
peri 272.9058707821907 0.00018127 deg
M 358.4517714798611 1.2478e-05 deg
tp 2459206.269956652371
(2020-Dec-22.76995665)		 4.652e-05 TDB
period 1341.652325760891
3.67		 7.5075e-06
2.055e-08		 d
yr
n .2683258494676206 1.5015e-09 deg/d
Q 2.826575604784689 1.0544e-08 au
   Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      10622 days (29.08 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:29:35  

Additional Information
 Earth MOID = .927144 au 
 Jupiter MOID = 2.5934 au 
 T_jup = 3.514 
[ 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 16.41   n/a E2021B55  

103225 (1999 YQ8)          Discovered 1999-Dec-27 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 YQ8 = 2002 PJ50 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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