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5254 Ulysses (1986 VG1)
Classification: Jupiter Trojan          SPK-ID: 2005254
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122724224109642 3.3988e-08  
a 5.226683053952613 8.6286e-08 au
q 4.585242431489265 2.2186e-07 au
i 24.19243413251544 2.1086e-06 deg
node 76.00683422644198 6.0107e-06 deg
peri 343.8834263584357 1.7118e-05 deg
M 319.6826763568777 2.0987e-05 deg
tp 2459885.295128522273
(2022-Nov-01.79512852)
0.0002607 TDB
period 4364.531927407245
11.95
0.00010808
2.959e-07
d
yr
n .08248307172170427 2.0425e-09 deg/d
Q 5.868123676415962 9.6875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2080  
   data-arc span      25480 days (69.76 yr)  
   first obs. used      1951-11-04  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44073  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:36:42  

Additional Information
 Earth MOID = 3.6045 au 
 Jupiter MOID = .475265 au 
 T_jup = 2.810 
[ 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 9.30   n/a E2021B10  
diameter diameter 76.147 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 28.72 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.070   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

5254 Ulysses (1986 VG1)          Discovered 1986-Nov-07 by Elst, E. W. at Haute Provence
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1986 VG1 = 1990 FN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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