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JPL Small-Body Database Browser
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2755 Avicenna (1973 SJ4)
Classification: Main-belt Asteroid          SPK-ID: 2002755
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2585174182522019 3.8831e-08  
a 2.845388738432824 1.3907e-08 au
q 2.10980618784928 1.1494e-07 au
i 4.569274469841111 3.9887e-06 deg
node 232.3554573320565 5.3128e-05 deg
peri 149.2043595399859 5.3674e-05 deg
M 165.7832374369604 9.7989e-06 deg
tp 2457793.173970780411
(2017-Feb-08.67397078)
4.4305e-05 TDB
period 1753.116750597707
4.80
1.2852e-05
3.519e-08
d
yr
n .2053485598590406 1.5054e-09 deg/d
Q 3.580971289016367 1.7502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1549  
   data-arc span      17529 days (47.99 yr)  
   first obs. used      1971-05-14  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47836  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 22:19:23  

Additional Information
 Earth MOID = 1.11386 au 
 Jupiter MOID = 1.89212 au 
 T_jup = 3.253 
[ 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 13.3   n/a MPO384775  
diameter diameter 11.841 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2755 Avicenna (1973 SJ4)          Discovered 1973-Sep-26 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1973 SJ4 = 1978 UX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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