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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08099000458074204 4.4322e-08  
a 3.183605428171722 1.9162e-08 au
q 2.925765209960819 1.4314e-07 au
i 2.109704942210475 4.8381e-06 deg
node 139.3421644069983 0.0001261 deg
peri 96.18187782153629 0.00013066 deg
M 346.3966053295755 3.6287e-05 deg
tp 2457478.901086116733
(2016-Mar-31.40108612)
0.00020922 JED
period 2074.804979626691
5.68
1.8732e-05
5.129e-08
d
yr
n .1735102833928869 1.5665e-09 deg/d
Q 3.441445646382625 2.0713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1868  
   data-arc span      41390 days (113.32 yr)  
   first obs. used      1902-04-07  
   last obs. used      2015-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52867  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:09:00  

Additional Information
 Earth MOID = 1.91429 au 
 Jupiter MOID = 1.54819 au 
 T_jup = 3.193 
[ 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 LCDB (Rev. 2015-December); Warner et al., 2009 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
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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