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 ]  
18249 (3175 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2018249
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550172697979426 3.6863e-08  
a 2.249656409265154 8.1692e-09 au
q 1.900920814717427 8.298e-08 au
i 5.535745272074391 4.0944e-06 deg
node 30.20786167638192 4.2876e-05 deg
peri 268.0497778315072 4.5927e-05 deg
M 46.10946138744927 1.4006e-05 deg
tp 2459042.644301189403
(2020-Jul-12.14430119)
4.8249e-05 TDB
period 1232.459670137963
3.37
6.7132e-06
1.838e-08
d
yr
n .2920988075493791 1.5911e-09 deg/d
Q 2.598392003812881 9.4356e-09 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      17248 days (47.22 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53811  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:25:42  

Additional Information
 Earth MOID = .893288 au 
 Jupiter MOID = 2.6091 au 
 T_jup = 3.606 
[ 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 16.27   n/a E2021B10  

18249 (3175 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3175 T-2 = 1996 HD12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 03:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin