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711 Marmulla (A911 EA)
Classification: Main-belt Asteroid          SPK-ID: 2000711
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952372328977698 3.0214e-08  
a 2.237450998645692 5.0442e-09 au
q 1.800617256925755 6.7066e-08 au
i 6.08946666049872 4.2622e-06 deg
node 357.0558001526228 3.0244e-05 deg
peri 300.2344747129623 3.232e-05 deg
M 117.555252085674 1.2352e-05 deg
tp 2458601.320470031717
(2019-Apr-27.82047003)
4.1549e-05 TDB
period 1222.443304224727
3.35
4.1339e-06
1.132e-08
d
yr
n .2944921852456069 9.9588e-10 deg/d
Q 2.674284740365629 6.0291e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2954  
   data-arc span      40011 days (109.54 yr)  
   first obs. used      1911-04-16  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:26:35  

Additional Information
 Earth MOID = .794488 au 
 Jupiter MOID = 2.56127 au 
 T_jup = 3.605 
[ 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 11.7   n/a MPO265959  
diameter diameter 9.026 km 0.635 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 2.721 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
geometric albedo albedo 0.453   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

711 Marmulla (A911 EA)          Discovered 1911-Mar-01 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A911 EA = 1927 AB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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