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233957 (2009 YQ16)
Classification: Main-belt Asteroid          SPK-ID: 2233957
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06310606255211529 4.1055e-08  
a 2.209070329651212 1.6848e-08 au
q 2.069664599246221 9.0646e-08 au
i 1.193420918839345 6.2585e-06 deg
node 191.4746008482736 0.00025532 deg
peri 67.00414694898289 0.00026231 deg
M 242.0470131461367 5.8968e-05 deg
tp 2459393.433614101028
(2021-Jun-27.93361410)
0.00019542 TDB
period 1199.258321890787
3.28
1.3719e-05
3.756e-08
d
yr
n .300185534199515 3.4341e-09 deg/d
Q 2.348476060056203 1.7911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7334 days (20.08 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 02:04:33  

Additional Information
 Earth MOID = 1.05477 au 
 Jupiter MOID = 2.66464 au 
 T_jup = 3.656 
[ 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 17.5   n/a MPO433528  

233957 (2009 YQ16)          Discovered 2009-Dec-19 by BATTeRS at Bisei SG Center
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2009 YQ16 = 1999 XM145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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