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1332 Marconia (1934 AA)
Classification: Main-belt Asteroid          SPK-ID: 2001332
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324522269849339 3.5271e-08  
a 3.062094027196288 1.2329e-08 au
q 2.656512854056875 1.0766e-07 au
i 2.456676261823665 3.7812e-06 deg
node 13.62412945544609 9.0233e-05 deg
peri 348.8465514066199 9.1279e-05 deg
M 149.5833815767426 1.4231e-05 deg
tp 2458187.281861947082
(2018-Mar-09.78186195)
7.6577e-05 TDB
period 1957.159455904217
5.36
1.182e-05
3.236e-08
d
yr
n .183940045822009 1.1109e-09 deg/d
Q 3.467675200335701 1.3962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2986  
   data-arc span      41741 days (114.28 yr)  
   first obs. used      1905-10-25  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:52:05  

Additional Information
 Earth MOID = 1.65396 au 
 Jupiter MOID = 1.9855 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456422.5 (2013-May-10.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1265625985050566 3.4846e-08  
q 2.677186601076251 1.0528e-07 au
tp 2456224.919755451202
(2012-Oct-24.41975545)
8.1014e-05 TDB
node 13.97193986464573 9.0428e-05 deg
peri 348.2788544805749 9.1603e-05 deg
i 2.454010583258511 3.7701e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2986  
   data-arc span      41741 days (114.28 yr)  
   first obs. used      1905-10-25  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:52:05  

Additional Information
 Jupiter MOID = 1.9855 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.214226931226386E-15 -3.649576626346652E-15 -2.624425328439825E-13 3.263791337890628E-15 -7.274060165753773E-14 1.342904673525527E-16
q -3.649576626346652E-15 1.108452702774198E-14 7.528403276845388E-13 -1.141706857427107E-14 2.150630727313099E-13 -2.947243016111203E-16
tp -2.624425328439825E-13 7.528403276845388E-13 6.56323990164011E-9 5.343571115439397E-12 1.206151681300658E-9 -2.838180384818366E-13
node 3.263791337890628E-15 -1.141706857427107E-14 5.343571115439397E-12 8.177206495176618E-9 -8.168515921887012E-9 -4.424517728318094E-11
peri -7.274060165753773E-14 2.150630727313099E-13 1.206151681300658E-9 -8.168515921887012E-9 8.391152332698313E-9 4.412944289930141E-11
i 1.342904673525527E-16 -2.947243016111203E-16 -2.838180384818366E-13 -4.424517728318094E-11 4.412944289930141E-11 1.421375632579669E-11

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 10.6   n/a MPO365259  
diameter diameter 46.796 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 19.16 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2013) Minor Planet Bull. 40, 34-35.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.063   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Ld   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1332 Marconia (1934 AA)          Discovered 1934-Jan-09 by Volta, L. at Pino Torinese
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1934 AA = 1930 HQ = 1932 VC = 1935 FR = 1948 SH = 1956 GB = A905 UD = A921 TE = A921 UD = A924 EH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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