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 ]  
181934 (1999 TM144)
Classification: Main-belt Asteroid          SPK-ID: 2181934
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1761760962243473 5.6023e-08  
a 2.258725988551124 8.398e-09 au
q 1.860792461447707 1.2632e-07 au
i 2.833524690881982 5.8072e-06 deg
node 195.0068328652467 7.0073e-05 deg
peri 172.8366748278501 7.0846e-05 deg
M 88.3418362927907 1.0328e-05 deg
tp 2458896.231024855084
(2020-Feb-16.73102486)
3.4932e-05 TDB
period 1239.9202421957
3.39
6.915e-06
1.893e-08
d
yr
n .2903412556298764 1.6192e-09 deg/d
Q 2.65665951565454 9.8775e-09 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7850 days (21.49 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57757  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:39  

Additional Information
 Earth MOID = .858224 au 
 Jupiter MOID = 2.80787 au 
 T_jup = 3.599 
[ 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 17.11   n/a MPCxxxxx  

181934 (1999 TM144)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ 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 02:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin