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505476 (2013 UL15)
Classification: TransNeptunian Object          SPK-ID: 2505476
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010089056612179 0.0003034  
a 45.89485293719752 0.0059163 au
q 41.25906406652867 0.010977 au
i 2.024837608677346 0.00030393 deg
node 81.9081159247776 0.02069 deg
peri 235.4533436501379 0.10569 deg
M 54.7511146449719 0.069304 deg
tp 2441728.808782621585
(1973-Feb-15.30878262)
22.239 TDB
period 113564.9726690495
310.92
21.959
0.06012
d
yr
n .00316999151709489 6.1296e-07 deg/d
Q 50.53064180786638 0.0065139 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      1868 days (5.11 yr)  
   first obs. used      2013-08-02  
   last obs. used      2018-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .15868  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 07:04:11  

Additional Information
 Earth MOID = 40.2462 au 
 Jupiter MOID = 36.1941 au 
 T_jup = 6.019 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456802.5 (2014-May-25.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09516962153617051 0.00030142  
q 41.39761089060666 0.011 au
tp 2441787.503161831475
(1973-Apr-15.00316183)
24.482 TDB
node 81.95149307416949 0.020728 deg
peri 235.9663425797458 0.1134 deg
i 2.024255774516566 0.000304 deg
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      1868 days (5.11 yr)  
   first obs. used      2013-08-02  
   last obs. used      2018-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .15868  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 07:04:11  

Additional Information
 Jupiter MOID = 36.1941 au 
 T_jup = 6.019 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.085458931525506E-8 -3.102378093700097E-6 -.006256919043118018 6.113053752915394E-8 -2.937960553211024E-5 -9.423940961248027E-10
q -3.102378093700097E-6 .0001210012315367324 .2637457085774311 -2.856345776025839E-6 .001212412462775813 4.636191834224474E-8
tp -.006256919043118018 .2637457085774311 599.3880225620887 -.006701949495161637 2.725723105359029 .0001108169255888354
node 6.113053752915394E-8 -2.856345776025839E-6 -.006701949495161637 .0004296335932771777 -.0004594989595931353 -6.287914926660439E-6
peri -2.937960553211024E-5 .001212412462775813 2.725723105359029 -.0004594989595931353 .01285862207067716 6.779875413263848E-6
i -9.423940961248027E-10 4.636191834224474E-8 .0001108169255888354 -6.287914926660439E-6 6.779875413263848E-6 9.241833680000416E-8

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.6   n/a MPO420010  
rotation period rot_per 11.78 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:
[Andersen, M.; Benecchi, S.D.; Chen, Y.-T.; Eduardo, M.R.; et al (2018) arXiv:1812.04304.]

505476 (2013 UL15)          Discovered 2013-Aug-02 by Outer Solar System Origins Survey at Mauna Kea
Reference: Last Updated: 2017-11-07
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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