Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
3603 Gajdusek (1981 RM)
Classification: Main-belt Asteroid          SPK-ID: 2003603
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1263009727853812 4.9438e-08  
a 2.568696669321051 1.628e-08 au
q 2.244267781195234 1.2534e-07 au
i 5.228154817287398 4.9905e-06 deg
node 277.9785133919167 6.5971e-05 deg
peri 347.0701441075349 7.048e-05 deg
M 235.1418691060564 2.7821e-05 deg
tp 2458122.033235015318
(2018-Jan-03.53323502)
0.00011766 JED
period 1503.722370832172
4.12
1.4295e-05
3.914e-08
d
yr
n .239405894986302 2.2759e-09 deg/d
Q 2.893125557446869 1.8336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1380  
   data-arc span      22290 days (61.03 yr)  
   first obs. used      1955-03-24  
   last obs. used      2016-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50895  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:44:37  

Additional Information
 Earth MOID = 1.22859 au 
 Jupiter MOID = 2.18361 au 
 T_jup = 3.414 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7 mag n/a MPO350830  
rotation period rot_per 4.7699 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

3603 Gajdusek (1981 RM)          Discovered 1981-Sep-05 by Brozek, L. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 RM = 1976 JP = 1985 RC2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-04 13:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin