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385476 (2003 UC331)
Classification: Main-belt Asteroid          SPK-ID: 2385476
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1244678567093631 5.9303e-08  
a 2.643658414599861 2.6965e-08 au
q 2.314607917862944 1.4869e-07 au
i 11.8344948182984 4.6755e-06 deg
node 237.3545836374904 2.8892e-05 deg
peri 242.9763812673672 3.8101e-05 deg
M 226.4803208875263 3.1079e-05 deg
tp 2459782.803251733720
(2022-Jul-22.30325173)
0.00014153 TDB
period 1570.024523857286
4.30
2.4021e-05
6.577e-08
d
yr
n .2292957813904337 3.5082e-09 deg/d
Q 2.972708911336779 3.0322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      6228 days (17.05 yr)  
   first obs. used      2003-09-20  
   last obs. used      2020-10-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65346  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:31  

Additional Information
 Earth MOID = 1.35761 au 
 Jupiter MOID = 2.26078 au 
 T_jup = 3.353 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.55   n/a E2021B25  

385476 (2003 UC331)          Discovered 2003-Oct-18 by Sloan Digital Sky Survey at Apache Point
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2003 UC331 = 2008 UQ328 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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