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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1584862808486669 5.4222e-08  
a 2.418981279908293 1.0444e-08 au
q 2.035605933413079 1.2912e-07 au
i 5.279816385595142 4.6018e-06 deg
node 140.4424539171317 7.156e-05 deg
peri 242.593254691167 7.5147e-05 deg
M 86.42858292733335 2.0723e-05 deg
tp 2459066.584986367110
(2020-Aug-05.08498637)
7.8628e-05 TDB
period 1374.191278916353
3.76
8.8994e-06
2.437e-08
d
yr
n .2619722636312214 1.6966e-09 deg/d
Q 2.802356626403506 1.2099e-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 = 1.0441 au 
 Jupiter MOID = 2.66573 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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