Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
1142 Aetolia (1930 BC)
Classification: Main-belt Asteroid          SPK-ID: 2001142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08066693479260532 3.3241e-08  
a 3.18541489520191 1.4255e-08 au
q 2.928457239563263 1.0562e-07 au
i 2.109809455556345 3.6987e-06 deg
node 139.3220049518344 0.00010336 deg
peri 97.04552166534596 0.00010603 deg
M 262.9776206216456 2.4805e-05 deg
tp 2459560.150449540972
(2021-Dec-11.65044954)
0.00014375 TDB
period 2076.574117493747
5.69
1.3939e-05
3.816e-08
d
yr
n .1733624612611902 1.1637e-09 deg/d
Q 3.442372550840556 1.5405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3361  
   data-arc span      43153 days (118.15 yr)  
   first obs. used      1902-04-07  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:26:51  

Additional Information
 Earth MOID = 1.91768 au 
 Jupiter MOID = 1.55058 au 
 T_jup = 3.192 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.3   n/a MPO458838  
diameter diameter 22.135 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.730 h n/a LCDB (Rev. 2019-August); 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 Bull. 38, 39-40.]
geometric albedo albedo 0.273   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-23 04:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin