Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
505477 (2013 UM15)
Classification: TransNeptunian Object          SPK-ID: 2505477
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07743626398965592 7.7861e-05  
a 44.98397217550801 0.0049719 au
q 41.50058143082203 0.005295 au
i 1.841003903776166 4.8736e-05 deg
node 110.933476756339 0.020051 deg
peri 180.91367541331 0.066446 deg
M 82.30369282118784 0.062863 deg
tp 2433406.220061070297
(1950-May-04.72006107)
15.1 TDB
period 110200.8970328944
301.71
18.27
0.05002
d
yr
n .003266761067222001 5.416e-07 deg/d
Q 48.46736292019398 0.0053569 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      5438 days (14.89 yr)  
   first obs. used      2002-10-05  
   last obs. used      2017-08-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .14244  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Nov-07 18:25:54  

Additional Information
 Earth MOID = 40.4837 au 
 Jupiter MOID = 36.3275 au 
 T_jup = 5.976 
[ 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 6.9   n/a MPO399500  
rotation period rot_per 6.42 h n/a LCDB (Rev. 2019-January); 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.]

505477 (2013 UM15)          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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin