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 ]  
187360 (2005 UW258)
Classification: Main-belt Asteroid          SPK-ID: 2187360
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02671020101586217 7.0655e-08  
a 3.045148778515718 2.9935e-08 au
q 2.963812242518356 1.9722e-07 au
i 2.456829907274721 5.4481e-06 deg
node 145.6026675913677 9.7399e-05 deg
peri 57.67668556189388 0.00013473 deg
M 143.5890235418552 9.2372e-05 deg
tp 2458426.341400577124
(2018-Nov-03.84140058)
0.00049883 TDB
period 1940.935935893436
5.31
2.862e-05
7.836e-08
d
yr
n .1854775283112514 2.735e-09 deg/d
Q 3.12648531451308 3.0735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      1999-09-03  
   last obs. used      2020-10-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:06  

Additional Information
 Earth MOID = 1.95937 au 
 Jupiter MOID = 1.8286 au 
 T_jup = 3.237 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458027.5 (2017-Oct-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02336864809939998 7.0174e-08  
q 2.974361569535821 1.9449e-07 au
tp 2458444.713853367493
(2018-Nov-22.21385337)
0.00058168 TDB
node 145.7591483330652 9.7779e-05 deg
peri 61.32317579040301 0.00014631 deg
i 2.4518314968098 5.4379e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      1999-09-03  
   last obs. used      2020-10-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:06  

Additional Information
 Jupiter MOID = 1.8286 au 
 T_jup = 3.237 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.924404050073188E-15 -1.356193363030261E-14 -1.277996497544627E-11 -1.570493356206929E-14 -2.644470066015081E-12 -1.083078984260174E-15
q -1.356193363030261E-14 3.782629876915349E-14 3.594703193772555E-11 4.253121677683653E-14 7.402043679207893E-12 3.263481282314225E-15
tp -1.277996497544627E-11 3.594703193772555E-11 3.38348937826779E-7 4.042542160431516E-11 6.328830160846743E-8 -2.918551415355247E-12
node -1.570493356206929E-14 4.253121677683653E-14 4.042542160431516E-11 9.560638329152671E-9 -9.543232010406767E-9 6.453895463744991E-11
peri -2.644470066015081E-12 7.402043679207893E-12 6.328830160846743E-8 -9.543232010406767E-9 2.140726396549029E-8 -6.497601146706405E-11
i -1.083078984260174E-15 3.263481282314225E-15 -2.918551415355247E-12 6.453895463744991E-11 -6.497601146706405E-11 2.957119939870599E-11

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 16.03   n/a E2021B55  

187360 (2005 UW258)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-11 17:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin