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385473 (2003 UJ230)
Classification: Main-belt Asteroid          SPK-ID: 2385473
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .142956638490968 7.3819e-08  
a 2.737261552590106 3.2173e-08 au
q 2.345951842361257 2.1941e-07 au
i 7.324091044140716 5.6319e-06 deg
node 183.2248381696442 4.4819e-05 deg
peri 193.43194613 4.922e-05 deg
M 298.3854223351312 2.6215e-05 deg
tp 2459483.609112378857
(2021-Sep-26.10911238)
0.00012413 TDB
period 1654.142320194799
4.53
2.9164e-05
7.985e-08
d
yr
n .2176354450308755 3.837e-09 deg/d
Q 3.128571262818956 3.6772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      8509 days (23.30 yr)  
   first obs. used      1997-05-03  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63159  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:31  

Additional Information
 Earth MOID = 1.34636 au 
 Jupiter MOID = 2.33495 au 
 T_jup = 3.325 
[ 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 16.74   n/a E2021B25  

385473 (2003 UJ230)          Discovered 2003-Oct-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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