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187146 (2005 QB166)
Classification: Main-belt Asteroid          SPK-ID: 2187146
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231069361482207 5.5471e-08  
a 2.624094935198404 1.6587e-08 au
q 2.301050647564065 1.4169e-07 au
i 6.063750110309436 5.0507e-06 deg
node 108.6219011902609 5.6174e-05 deg
peri 276.0291414591331 6.0026e-05 deg
M 200.5037044107496 2.3186e-05 deg
tp 2459888.385003164661
(2022-Nov-04.88500316)
0.000103 TDB
period 1552.629170629892
4.25
1.4721e-05
4.03e-08
d
yr
n .231864766429675 2.1984e-09 deg/d
Q 2.947139222832744 1.8629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      7063 days (19.34 yr)  
   first obs. used      2001-10-17  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:12  

Additional Information
 Earth MOID = 1.31325 au 
 Jupiter MOID = 2.51205 au 
 T_jup = 3.385 
[ 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 16.57   n/a E2021B55  

187146 (2005 QB166)          Discovered 2005-Aug-31 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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