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259585 (2003 UG220)
Classification: Main-belt Asteroid          SPK-ID: 2259585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05171880224960105 4.8119e-08  
a 2.296822427459304 1.2896e-08 au
q 2.178033522531088 1.0636e-07 au
i 6.230372884175954 4.2621e-06 deg
node 236.0419601139237 3.7649e-05 deg
peri 297.8947789005472 5.1197e-05 deg
M 143.6442960838946 3.4549e-05 deg
tp 2458493.187641887562
(2019-Jan-09.68764189)
0.00012095 TDB
period 1271.421517592402
3.48
1.0708e-05
2.932e-08
d
yr
n .283147638307794 2.3847e-09 deg/d
Q 2.415611332387521 1.3563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      8274 days (22.65 yr)  
   first obs. used      1998-02-24  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49929  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:09:00  

Additional Information
 Earth MOID = 1.1886 au 
 Jupiter MOID = 2.56811 au 
 T_jup = 3.585 
[ 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 16.6   n/a MPO433691  
rotation period rot_per 2.8461 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.]

259585 (2003 UG220)          Discovered 2003-Oct-21 by Spacewatch at Kitt Peak
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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