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4068 Menestheus (1973 SW)
Classification: Jupiter Trojan          SPK-ID: 2004068
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07327914746239701 2.8317e-08  
a 5.14556871762255 8.3805e-08 au
q 4.768505828785989 1.676e-07 au
i 17.56592381404977 2.7808e-06 deg
node 177.6580194218531 3.2792e-06 deg
peri 316.2961334861492 2.3675e-05 deg
M 227.6885466595593 2.4073e-05 deg
tp 2460767.407789839392
(2025-Apr-01.90778984)
0.00031251 TDB
period 4263.325585962475
11.67
0.00010415
2.851e-07
d
yr
n .08444112295465876 2.0629e-09 deg/d
Q 5.52263160645911 8.9946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2492  
   data-arc span      17307 days (47.38 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47259  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:54:17  

Additional Information
 Earth MOID = 3.80314 au 
 Jupiter MOID = .417244 au 
 T_jup = 2.902 
[ 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 9.71   n/a MPCxxxxx  
diameter diameter 67.625 km 1.234 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 14.40 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[French, L.M.; Stephens, R.D.; Coley, D.R.; Wasserman, L.H.; et al. (2013) Minor Planet Bull. 40, 198-203.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 15-22.]
[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 0.061   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

4068 Menestheus (1973 SW)          Discovered 1973-Sep-19 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1973 SW = 1979 HA2 = 1987 WR3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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