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
JPL Small-Body Database Browser
Search: [ help ]  
216656 (2003 UM155)
Classification: Main-belt Asteroid          SPK-ID: 2216656
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112478924104764 5.5404e-08  
a 2.32862946551659 1.8341e-08 au
q 2.066707728596632 1.3045e-07 au
i 5.039715117309203 6.3632e-06 deg
node 71.89456530721625 9.1139e-05 deg
peri 355.5745802677078 9.8774e-05 deg
M 317.1794121408661 4.1414e-05 deg
tp 2459550.882878469685
(2021-Dec-02.38287847)
0.00015008 TDB
period 1297.923242714929
3.55
1.5334e-05
4.198e-08
d
yr
n .2773661709354789 3.2769e-09 deg/d
Q 2.590551202436548 2.0404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5659 days (15.49 yr)  
   first obs. used      2003-10-05  
   last obs. used      2019-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:43  

Additional Information
 Earth MOID = 1.08042 au 
 Jupiter MOID = 2.65669 au 
 T_jup = 3.559 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO433418  

216656 (2003 UM155)          Discovered 2003-Oct-20 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2053-Jun-07 02:39 00:02 Juno 0.0425843101099126 0.0425724742550857 0.0425961573174135 5.76106460316887 5.76106455357892 2471060.610402595 2.06286588102026 1248.38113545954 51.2877145449959 -61.8763723226677 109518.941841117 T 11 CATAB v2.0f-lin.ifort 2021-Apr-13 23:55:44 2021-Apr-13 23:55

Alternate Designations
 2003 UM155 = 2007 VV316 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-26 22:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin