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 ]  
187290 (2005 TW99)
Classification: Main-belt Asteroid          SPK-ID: 2187290
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1521611793286863 4.5109e-08  
a 2.646295212629282 1.6409e-08 au
q 2.243631812223753 1.1962e-07 au
i 11.56649586912557 5.3247e-06 deg
node 211.4869779534591 2.4829e-05 deg
peri 121.5763333604103 3.0704e-05 deg
M 232.3106552779149 2.0763e-05 deg
tp 2459758.209472689346
(2022-Jun-27.70947269)
9.3188e-05 TDB
period 1572.374034851151
4.30
1.4624e-05
4.004e-08
d
yr
n .2289531574680826 2.1295e-09 deg/d
Q 3.04895861303481 1.8905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      10041 days (27.49 yr)  
   first obs. used      1992-10-21  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57801  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:57:38  

Additional Information
 Earth MOID = 1.25794 au 
 Jupiter MOID = 2.438 au 
 T_jup = 3.347 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.18   n/a E2021B55  

187290 (2005 TW99)          Discovered 2005-Oct-07 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2005 TW99 = 1996 RG15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-12 07:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin