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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
18275 (3173 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2018275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02282111261543491 4.4828e-08  
a 2.777147490740643 1.6553e-08 au
q 2.713769895104778 1.2541e-07 au
i 8.396642907659203 5.0456e-06 deg
node 205.1729907302926 2.7121e-05 deg
peri 206.107804692919 9.9633e-05 deg
M 47.7439633509221 9.4484e-05 deg
tp 2458776.311768039890
(2019-Oct-19.81176804)
0.00044374 TDB
period 1690.428649846906
4.63
1.5114e-05
4.138e-08
d
yr
n .2129637355783123 1.9041e-09 deg/d
Q 2.840525086376507 1.6931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      15447 days (42.29 yr)  
   first obs. used      1977-10-12  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:22:35  

Additional Information
 Earth MOID = 1.72361 au 
 Jupiter MOID = 2.23643 au 
 T_jup = 3.319 
[ 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 14.5   n/a MPO412321  

18275 (3173 T-3)          Discovered 1977-Oct-16 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
 3173 T-3 = 1998 FP97 = 1999 NE45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-02 00:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin