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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487675537687917 8.746e-05  
a 43.29605253611084 0.0053109 AU
q 36.85500471246854 0.0082316 AU
i 25.73629804783528 0.00013135 deg
node 307.9086910157828 0.00069261 deg
peri 221.0732786131231 0.023807 deg
M 223.4255740989435 0.026814 deg
tp 2496476.920150646810
(2123-Jan-08.42015065)
6.4244 JED
period 104056.8990897944
284.89
19.146
0.05242
d
yr
n .003459645666447768 6.3656e-07 deg/d
Q 49.73710035975314 0.006101 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 = 35.9049 AU 
 T_jup = 5.259 
[ 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. 2014-Mar-01) 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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