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180217 (2003 UL23)
Classification: Main-belt Asteroid          SPK-ID: 2180217
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 .1824202346862802 5.4663e-08  
a 2.26034285199019 8.2724e-09 au
q 1.848010578458684 1.2111e-07 au
i 3.05399259742784 6.4137e-06 deg
node 23.08148129911805 6.6854e-05 deg
peri 320.480150840008 6.8332e-05 deg
M 55.23568552102211 1.4764e-05 deg
tp 2459010.051677247501
(2020-Jun-09.55167725)
5.0425e-05 TDB
period 1241.251838266875
3.40
6.8141e-06
1.866e-08
d
yr
n .290029781951951 1.5922e-09 deg/d
Q 2.672675125521697 9.7815e-09 au
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      8882 days (24.32 yr)  
   first obs. used      1996-09-17  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55866  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:42:55  

Additional Information
 Earth MOID = .839815 au 
 Jupiter MOID = 2.72902 au 
 T_jup = 3.596 
[ 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 17.1   n/a MPO270773  

180217 (2003 UL23)          Discovered 2003-Oct-22 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2003 UL23 = 1996 TV52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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