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109661 (2001 RQ16)
Classification: Main-belt Asteroid          SPK-ID: 2109661
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2346469061043628 6.4438e-08  
a 2.545950986711856 1.1388e-08 au
q 1.948551464586569 1.6994e-07 au
i 2.67755790804007 5.674e-06 deg
node 299.7502722932012 9.139e-05 deg
peri 58.82751462490632 9.2355e-05 deg
M 216.3660073248103 1.5262e-05 deg
tp 2459592.508874373463
(2022-Jan-13.00887437)
6.6213e-05 TDB
period 1483.793570066648
4.06
9.9552e-06
2.726e-08
d
yr
n .2426213506126933 1.6278e-09 deg/d
Q 3.143350508837143 1.406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      9665 days (26.46 yr)  
   first obs. used      1993-11-09  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58204  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:07:02  

Additional Information
 Earth MOID = .946439 au 
 Jupiter MOID = 2.31962 au 
 T_jup = 3.402 
[ 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 16.2   n/a MPO268015  

109661 (2001 RQ16)          Discovered 2001-Sep-12 by Comba, P. G. at Prescott
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 RQ16 = 1997 SC24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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