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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1263659425046686 5.0391e-08  
a 2.568380433299407 1.6916e-08 au
q 2.243824619134978 1.2702e-07 au
i 5.228670086511883 4.993e-06 deg
node 277.9805700842246 7.2873e-05 deg
peri 347.1366123023209 7.7621e-05 deg
M 187.175050716536 2.9046e-05 deg
tp 2458122.257645840101
(2018-Jan-03.75764584)
0.00012264 JED
period 1503.444691172822
4.12
1.4853e-05
4.067e-08
d
yr
n .239450112208097 2.3656e-09 deg/d
Q 2.892936247463835 1.9054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1308  
   data-arc span      22185 days (60.74 yr)  
   first obs. used      1955-03-24  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51436  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:48:40  

Additional Information
 Earth MOID = 1.22692 au 
 Jupiter MOID = 2.18285 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. 2015-December); 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. (2015) 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 ]
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