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4833 Meges (1989 AL2)
Classification: Jupiter Trojan          SPK-ID: 2004833
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09316257259902687 5.2385e-08  
a 5.233366119640671 9.3525e-08 au
q 4.74581226858236 3.2325e-07 au
i 34.72963049851523 4.7874e-06 deg
node 101.7450475160785 8.8406e-06 deg
peri 280.5433880703521 2.9246e-05 deg
M 320.131835342709 2.9958e-05 deg
tp 2459484.777004136049
(2021-Sep-27.27700414)
0.00036497 TDB
period 4372.905625017146
11.97
0.00011722
3.209e-07
d
yr
n .08232512449856232 2.2068e-09 deg/d
Q 5.720919970698982 1.0224e-07 au
  Orbit Determination Parameters
   # obs. used (total)      2048  
   data-arc span      16397 days (44.89 yr)  
   first obs. used      1975-12-04  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:48:19  

Additional Information
 Earth MOID = 3.93364 au 
 Jupiter MOID = .0760713 au 
 T_jup = 2.636 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.0   n/a MPO458879  
diameter diameter 80.165 km 0.939 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 14.250 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
[Stephens, R.D.; Coley, D.R.; Warner, B.D.; French, L.M. (2016) Minor Planet Bull. 43, 323-331.]
[Stephens, R.D. Warner, B.D. (2017) Minor Planet Bull. 44, 312-316.]
geometric albedo albedo 0.076   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

4833 Meges (1989 AL2)          Discovered 1989-Jan-08 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 AL2 = 1975 XN5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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