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54646 (2000 SS291)
Classification: Jupiter Trojan          SPK-ID: 2054646
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1086176884790427 5.6636e-08  
a 5.233870402128708 1.3445e-07 au
q 4.66537949725061 3.92e-07 au
i 3.562790732128255 4.8169e-06 deg
node 259.3315267451455 8.4609e-05 deg
peri 53.12898664538938 8.8681e-05 deg
M 302.374526211099 3.0036e-05 deg
tp 2459900.575504888889
(2022-Nov-17.07550489)
0.00037886 TDB
period 4373.53769416716
11.97
0.00016852
4.614e-07
d
yr
n .08231322676837104 3.1717e-09 deg/d
Q 5.802361307006805 1.4905e-07 au
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      8025 days (21.97 yr)  
   first obs. used      1998-06-26  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48592  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:03:09  

Additional Information
 Earth MOID = 3.65081 au 
 Jupiter MOID = .343271 au 
 T_jup = 2.984 
[ 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 12.52   n/a E2021B10  
diameter diameter 16.638 km 0.690 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.070   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

54646 (2000 SS291)          Discovered 2000-Sep-27 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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