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 ]  
3773 Smithsonian (1984 YY)
Classification: Main-belt Asteroid          SPK-ID: 2003773
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835469337188154 3.311e-08  
a 2.166151439909891 5.4766e-09 au
q 1.768560985143834 7.1382e-08 au
i 1.325397681365024 4.385e-06 deg
node 63.45640209937506 0.00014354 deg
peri 286.821263023956 0.00014406 deg
M 113.9015574890437 1.413e-05 deg
tp 2458632.066753997604
(2019-May-28.56675400)
4.5022e-05 TDB
period 1164.478971884304
3.19
4.4162e-06
1.209e-08
d
yr
n .3091511385709827 1.1724e-09 deg/d
Q 2.563741894675949 6.4819e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2436  
   data-arc span      25636 days (70.19 yr)  
   first obs. used      1949-11-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:55:41  

Additional Information
 Earth MOID = .763088 au 
 Jupiter MOID = 2.85728 au 
 T_jup = 3.670 
[ 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 13.3   n/a MPO448951  
rotation period rot_per 6.9804 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2007) Minor Planet Bull. 34, 31-32.]
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]

3773 Smithsonian (1984 YY)          Discovered 1984-Dec-23 by Oak Ridge Observatory at Oak Ridge
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 YY = 1938 DA2 = 1971 TS = 1974 QO = 1981 YC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-04 00:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin