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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446550087726698 8.0443e-06  
a 43.32917433604599 0.00058633 au
q 37.06139224235272 0.00078864 au
i 25.69941672915879 1.0465e-05 deg
node 307.531968738323 0.00011282 deg
peri 222.4807242616425 0.0047328 deg
M 228.6691055289172 0.0057725 deg
tp 2497004.862186894723
(2124-Jun-19.36218689)
1.1994 TDB
period 104176.3283679956
285.22
2.1146
0.005789
d
yr
n .003455679477667182 7.0143e-08 deg/d
Q 49.59695642973927 0.00067114 au
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      10999 days (30.11 yr)  
   first obs. used      1990-09-15  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .37445  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:00:34  

Additional Information
 Earth MOID = 36.1125 au 
 Jupiter MOID = 31.9115 au 
 T_jup = 5.266 
[ 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 3.6   n/a MPO470162  
rotation period rot_per 7.03 h n/a LCDB (Rev. 2019-August); 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:
[Thirouin, A.; Ortiz, J.L.; Campo Bagatin, A.; Pravec, P.; et al. (2012) Mon. Not. Royal Ast. Soc. 424, 3156-3177.]

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