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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952372328968251 3.0213e-08  
a 2.237450998650692 5.0426e-09 au
q 1.800617256931893 6.7062e-08 au
i 6.089466658793421 4.2535e-06 deg
node 357.055800146233 3.0236e-05 deg
peri 300.2344747031943 3.2306e-05 deg
M 117.5552520951782 1.2342e-05 deg
tp 2458601.320469998106
(2019-Apr-27.82047000)
4.1514e-05 TDB
period 1222.443304228824
3.35
4.1326e-06
1.131e-08
d
yr
n .2944921852446199 9.9555e-10 deg/d
Q 2.674284740369491 6.0271e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2967  
   data-arc span      40021 days (109.57 yr)  
   first obs. used      1911-04-16  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:55:35  

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. 2020-October); 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.]
[Stephens, R.D.; Warner, B.D. (2020) Minor Planet Bull. 47, 125-133.]
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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