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3280 Gretry (1933 SJ)
Classification: Main-belt Asteroid          SPK-ID: 2003280
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1776131946724009 6.3841e-08  
a 2.581658417620306 1.4754e-08 AU
q 2.123121818513868 1.6186e-07 AU
i 2.229025364992956 5.7616e-06 deg
node 317.1643773009229 0.00013324 deg
peri .4867831071545798 0.00013431 deg
M 190.8328708794442 2.2334e-05 deg
tp 2457512.467344920534
(2016-May-03.96734492)
9.5509e-05 JED
period 1515.118483737677
4.15
1.2988e-05
3.556e-08
d
yr
n .2376051799671195 2.0369e-09 deg/d
Q 3.040195016726744 1.7375e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1494  
   data-arc span      29457 days (80.65 yr)  
   first obs. used      1933-10-12  
   last obs. used      2014-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52594  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:25:05  

Additional Information
 Earth MOID = 1.10875 AU 
 T_jup = 3.401 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3 mag n/a MPO256887  
rotation period rot_per 10.56 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Galad, A.; Kornos, L.; Vilagi, J. (2010) Minor Planet Bul. 37, 9-15.]

3280 Gretry (1933 SJ)          Discovered 1933-Sep-17 by Rigaux, F. at Uccle (012)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1933 SJ = 1954 UL2 = 1954 WB = 1958 TN1 = 1975 XF3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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