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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1086533866625543 4.1654e-08  
a 1.937605861679968 5.3818e-09 au
q 1.727078422791223 7.9602e-08 au
i 16.91478875915179 5.2038e-06 deg
node 295.7717457182106 1.3591e-05 deg
peri 105.7401894537495 2.7969e-05 deg
M 80.70068689968585 2.4093e-05 deg
tp 2458979.663265373256
(2020-May-10.16326537)
6.5738e-05 TDB
period 985.1368993234356
2.70
4.1044e-06
1.124e-08
d
yr
n .3654314443477226 1.5225e-09 deg/d
Q 2.148133300568714 5.9665e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2190  
   data-arc span      13911 days (38.09 yr)  
   first obs. used      1982-12-24  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35111  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:19:39  

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 13.7   n/a MPO531032  
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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