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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952372312982658 3.0338e-08  
a 2.237450998629272 5.0849e-09 au
q 1.800617260491353 6.739e-08 au
i 6.089467161294407 4.485e-06 deg
node 357.0558002477342 3.0374e-05 deg
peri 300.2344755655489 3.261e-05 deg
M 117.555251180753 1.2612e-05 deg
tp 2458601.320473108929
(2019-Apr-27.82047311)
4.2471e-05 TDB
period 1222.44330421127
3.35
4.1672e-06
1.141e-08
d
yr
n .2944921852488488 1.0039e-09 deg/d
Q 2.674284736767191 6.0776e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2773  
   data-arc span      39742 days (108.81 yr)  
   first obs. used      1911-04-16  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:34:56  

Additional Information
 Earth MOID = .794488 au 
 Jupiter MOID = 2.56127 au 
 T_jup = 3.605 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456457.5 (2013-Jun-14.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949582887695456 3.016e-08  
q 1.801149800851412 6.6905e-08 au
tp 2456155.041220348879
(2012-Aug-15.54122035)
4.1385e-05 TDB
node 357.212934676433 3.0405e-05 deg
peri 299.7605378149811 3.2647e-05 deg
i 6.086663631869317 4.4829e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2773  
   data-arc span      39742 days (108.81 yr)  
   first obs. used      1911-04-16  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:34:56  

Additional Information
 Jupiter MOID = 2.56127 au 
 T_jup = 3.605 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.096024140844585E-16 -2.014101138754505E-15 3.632209669006131E-13 -1.687257269013183E-16 1.031857438302571E-13 -3.743135610231146E-16
q -2.014101138754505E-15 4.476242380782348E-15 -7.990284744453299E-13 9.299436954636769E-17 -2.265141862448654E-13 8.746228148662585E-16
tp 3.632209669006131E-13 -7.990284744453299E-13 1.712744324626973E-9 -1.711836277766907E-12 4.998394367471693E-10 -7.974399138206525E-13
node -1.687257269013183E-16 9.299436954636769E-17 -1.711836277766907E-12 9.244815564766966E-10 -9.190158802858819E-10 1.509452890651028E-11
peri 1.031857438302571E-13 -2.265141862448654E-13 4.998394367471693E-10 -9.190158802858819E-10 1.065817508815535E-9 -1.527054792932196E-11
i -3.743135610231146E-16 8.746228148662585E-16 -7.974399138206525E-13 1.509452890651028E-11 -1.527054792932196E-11 2.009631093049453E-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 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

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