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1142 Aetolia (1930 BC)
Classification: Main-belt Asteroid          SPK-ID: 2001142
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08203144260551032 4.7137e-08  
a 3.188525473741701 2.3967e-08 AU
q 2.926966129346251 1.4889e-07 AU
i 2.108452732981704 4.8806e-06 deg
node 139.329272681109 0.00014392 deg
peri 95.40171617589355 0.000148 deg
M 277.8890742978201 3.6888e-05 deg
tp 2457474.831220538175
(2016-Mar-27.33122054)
0.00021454 JED
period 2079.616542299067
5.69
2.3447e-05
6.419e-08
d
yr
n .1731088364982956 1.9518e-09 deg/d
Q 3.45008481813715 2.5933e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1603  
   data-arc span      40914 days (112.02 yr)  
   first obs. used      1902-04-07  
   last obs. used      2014-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53842  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:49:28  

Additional Information
 Earth MOID = 1.91813 AU 
 T_jup = 3.191 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.2 mag n/a MPO253368  
rotation period rot_per 10.730 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durkee, R.I. (2011) Minor Planet Bul. 38, 39-40.]

1142 Aetolia (1930 BC)          Discovered 1930-Jan-24 by Reinmuth, K. at Heidelberg (024)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1930 BC = 1931 LC = 1937 LN = 1937 LU = 1942 GF = 1942 GS = 1943 PF = 1948 JS = 1948 KG = 1954 KJ = 1954 MU = 1958 BB = A902 GB = A907 CB = A908 GB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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