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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1086534005590716 1.5255e-08  
a 1.937605859343925 4.8846e-09 au
q 1.727078393783026 2.9182e-08 au
i 16.9147897364263 4.0519e-07 deg
node 295.7717369286893 2.178e-06 deg
peri 105.740189553714 4.5202e-06 deg
M 80.70069932586236 5.4938e-06 deg
tp 2458979.663231768503
(2020-May-10.16323177)
1.4432e-05 TDB
period 985.1368975418641
2.70
3.7252e-06
1.02e-08
d
yr
n .3654314450085873 1.3818e-09 deg/d
Q 2.148133324904825 5.4153e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2365  
   data-arc span      13969 days (38.25 yr)  
   first obs. used      1982-12-24  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34635  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:47:10  

Additional Information
 Earth MOID = .810138 au 
 Jupiter MOID = 3.15833 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 13.72   n/a MPCxxxxx  
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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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