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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2580661944406953 3.8705e-08  
a 2.846974977074664 1.3532e-08 au
q 2.112266979073119 1.1475e-07 au
i 4.567702986369865 3.9648e-06 deg
node 232.3560091347573 5.2589e-05 deg
peri 149.0822045789665 5.3134e-05 deg
M 248.0576270258476 1.0126e-05 deg
tp 2459546.089382439701
(2021-Nov-27.58938244)
5.2066e-05 TDB
period 1754.582938166266
4.80
1.251e-05
3.425e-08
d
yr
n .2051769638067038 1.4629e-09 deg/d
Q 3.581682975076208 1.7025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1557  
   data-arc span      17541 days (48.02 yr)  
   first obs. used      1971-05-14  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49258  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:30:13  

Additional Information
 Earth MOID = 1.11703 au 
 Jupiter MOID = 1.89448 au 
 T_jup = 3.252 
[ 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

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