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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1225866411571798 3.4114e-08  
a 5.227900061023708 8.879e-08 au
q 4.587029352237396 2.2211e-07 au
i 24.19152676453054 2.1093e-06 deg
node 76.01578619527515 6.0127e-06 deg
peri 343.6857291418702 1.7748e-05 deg
M 303.6707330335513 2.1869e-05 deg
tp 2459883.657657912124
(2022-Oct-31.15765791)
0.00027473 TDB
period 4366.056405364751
11.95
0.00011123
3.045e-07
d
yr
n .08245427144680341 2.1006e-09 deg/d
Q 5.86877076981002 9.9675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2008  
   data-arc span      25267 days (69.18 yr)  
   first obs. used      1951-11-04  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44601  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:19:29  

Additional Information
 Earth MOID = 3.60611 au 
 Jupiter MOID = .474246 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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