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385302 (2001 UQ228)
Classification: Main-belt Asteroid          SPK-ID: 2385302
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1583839008692467 5.4212e-08  
a 2.418604339123779 1.043e-08 au
q 2.035536349234069 1.2906e-07 au
i 5.279667631952645 4.6019e-06 deg
node 140.444080498854 7.1567e-05 deg
peri 242.5524920572487 7.5161e-05 deg
M 35.12215698676391 2.0671e-05 deg
tp 2459066.463108503240
(2020-Aug-04.96310850)
7.8701e-05 TDB
period 1373.870088816539
3.76
8.887e-06
2.433e-08
d
yr
n .2620335087942022 1.695e-09 deg/d
Q 2.80167232901349 1.2082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      8581 days (23.49 yr)  
   first obs. used      1997-08-11  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59098  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:52  

Additional Information
 Earth MOID = 1.04344 au 
 Jupiter MOID = 2.66544 au 
 T_jup = 3.492 
[ 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 17.81   n/a MPCxxxxx  

385302 (2001 UQ228)          Discovered 2001-Oct-16 by NEAT at Palomar
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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