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186031 (2001 QO328)
Classification: Main-belt Asteroid          SPK-ID: 2186031
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01737824522757449 5.5923e-08  
a 2.916772350392993 3.316e-08 au
q 2.866083965214854 1.5535e-07 au
i 10.08329531119585 5.5736e-06 deg
node 120.4605631398072 5.2863e-05 deg
peri 325.5423078978449 0.00028603 deg
M 231.6802921483983 0.00028073 deg
tp 2459849.049441858084
(2022-Sep-26.54944186)
0.0014199 TDB
period 1819.500706305543
4.98
3.1028e-05
8.495e-08
d
yr
n .1978564771931153 3.3741e-09 deg/d
Q 2.967460735571131 3.3736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      6867 days (18.80 yr)  
   first obs. used      2001-08-28  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:49:38  

Additional Information
 Earth MOID = 1.88699 au 
 Jupiter MOID = 2.0906 au 
 T_jup = 3.258 
[ 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 15.20   n/a E2021B55  

186031 (2001 QO328)          Discovered 2001-Aug-28 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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