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4900 Maymelou (1988 ME)
Classification: Main-belt Asteroid          SPK-ID: 2004900
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288198809821889 2.9105e-08  
a 2.379138510792326 8.3318e-09 au
q 2.072658170991917 6.8315e-08 au
i 5.934673510003649 3.8411e-06 deg
node 209.7464843581577 3.0945e-05 deg
peri 91.34827136741363 3.5063e-05 deg
M 232.8829471838725 1.8027e-05 deg
tp 2459473.792183147608
(2021-Sep-16.29218315)
6.8336e-05 TDB
period 1340.380241348089
3.67
7.0411e-06
1.928e-08
d
yr
n .268580503423364 1.4109e-09 deg/d
Q 2.685618850592736 9.4051e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2442  
   data-arc span      15151 days (41.48 yr)  
   first obs. used      1978-12-22  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:47:46  

Additional Information
 Earth MOID = 1.06773 au 
 Jupiter MOID = 2.51643 au 
 T_jup = 3.521 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457070.5 (2015-Feb-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129672052514249 2.9161e-08  
q 2.070357110630697 6.8523e-08 au
tp 2456791.965446300146
(2014-May-14.46544630)
6.1919e-05 TDB
node 209.7927558310616 3.0977e-05 deg
peri 91.1100636817504 3.5033e-05 deg
i 5.931294828223997 3.8403e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2442  
   data-arc span      15151 days (41.48 yr)  
   first obs. used      1978-12-22  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:47:46  

Additional Information
 Jupiter MOID = 2.51643 au 
 T_jup = 3.521 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.50350715142279E-16 -1.987393536830644E-15 4.602877475603369E-13 -1.258551123380304E-15 1.185949052187374E-13 2.974655978195884E-16
q -1.987393536830644E-15 4.69535101552298E-15 -9.489809068625612E-13 2.767703887342218E-15 -2.423400527648995E-13 -6.267046224615282E-16
tp 4.602877475603369E-13 -9.489809068625612E-13 3.833937156051541E-9 -2.575893636376843E-12 1.021533119341683E-9 -3.652816642430623E-13
node -1.258551123380304E-15 2.767703887342218E-15 -2.575893636376843E-12 9.596019551924578E-10 -9.548079513426195E-10 -1.581299596463712E-11
peri 1.185949052187374E-13 -2.423400527648995E-13 1.021533119341683E-9 -9.548079513426195E-10 1.227292067393863E-9 1.565750263699835E-11
i 2.974655978195884E-16 -6.267046224615282E-16 -3.652816642430623E-13 -1.581299596463712E-11 1.565750263699835E-11 1.47482230907159E-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 13.5   n/a MPO502200  
diameter diameter 4.654 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.514   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B V   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)

4900 Maymelou (1988 ME)          Discovered 1988-Jun-16 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 ME = 1978 YU = 1984 JR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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