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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477379824295047 8.7309e-05  
a 43.35121249913403 0.0053262 AU
q 36.94659182863924 0.0082461 AU
i 25.73644191030103 0.00013129 deg
node 307.9099050830706 0.00069206 deg
peri 220.70007862674 0.024127 deg
M 223.1257029964227 0.027171 deg
tp 2496439.227215616240
(2122-Dec-01.72721562)
6.4089 JED
period 104255.8180024763
285.44
19.214
0.05261
d
yr
n .003453044701941231 6.3637e-07 deg/d
Q 49.75583316962881 0.0061131 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      3  
   fit RMS      .42014  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 18:48:35  

Additional Information
 Earth MOID = 35.9954 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 7 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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