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202421 (2005 UQ513)
Classification: TransNeptunian Object          SPK-ID: 2202421
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477959346295654 8.7513e-05  
a 43.34834932772237 0.0055408 AU
q 36.94163952418275 0.0084849 AU
i 25.73640597371598 9.263e-05 deg
node 307.9098000841881 0.00050547 deg
peri 220.6969851965499 0.022999 deg
M 223.1343072746351 0.0238 deg
tp 2496432.808767423190
(2122-Nov-25.30876742)
4.0763 JED
period 104245.4896633725
285.41
19.987
0.05472
d
yr
n .003453386819540153 6.6212e-07 deg/d
Q 49.75505913126199 0.0063597 AU
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      8474 days (23.20 yr)  
   first obs. used      1990-09-15  
   last obs. used      2013-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   fit RMS      .34959  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Dec-22 02:21:18  

Additional Information
 Earth MOID = 35.9905 AU 
 T_jup = 5.263 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 3.4 mag .37182 6 autocmod 2.5c
rotation period rot_per 7.03 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Ortiz, J.L.; Campo Bagatin, A.; Pravec, P.; et al. (2012) MNRAS 424, 3156-3177.]

202421 (2005 UQ513)          Discovered 2005-Oct-21 by Palomar at Palomar (644)
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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