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JPL Small-Body Database Browser
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4690 Strasbourg (1983 AJ)
Classification: Inner Main-belt Asteroid          SPK-ID: 2004690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1085343516927504 4.3855e-08  
a 1.937374718511902 5.8684e-09 au
q 1.727103009452288 8.47e-08 au
i 16.91500683995225 5.4735e-06 deg
node 295.7716436814871 1.5882e-05 deg
peri 105.72601100 3.0266e-05 deg
M 7.630044562828957 2.482e-05 deg
tp 2458979.624184842039
(2020-May-10.12418484)
6.7899e-05 TDB
period 984.9606244081413
2.70
4.4753e-06
1.225e-08
d
yr
n .3654968443193579 1.6607e-09 deg/d
Q 2.147646427571516 6.5053e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1872  
   data-arc span      13528 days (37.04 yr)  
   first obs. used      1982-12-24  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37936  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:19:11  

Additional Information
 Earth MOID = .810583 au 
 Jupiter MOID = 3.15872 au 
 T_jup = 3.846 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO435743  
diameter diameter 3.207 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 69.2 h n/a LCDB (Rev. 2019-August); 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:
[Warner, B.D. (2011) Minor Planet Bull. 38, 96-101.]
geometric albedo albedo 0.569   0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4690 Strasbourg (1983 AJ)          Discovered 1983-Jan-09 by Skiff, B. A. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1983 AJ = 1987 SJ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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