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JPL Small-Body Database Browser
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56976 (2000 SS161)
Classification: Jupiter Trojan          SPK-ID: 2056976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03416428022316198 6.4514e-08  
a 5.240782395923191 1.0388e-07 au
q 5.061734837560257 3.2493e-07 au
i 13.24147256805273 5.3326e-06 deg
node 76.19582746744447 2.3529e-05 deg
peri 324.0836399700545 9.042e-05 deg
M 157.0811959489 8.7109e-05 deg
tp 2456688.383642907188
(2014-Jan-30.88364291)
0.0010414 TDB
period 4382.204275916913
12.00
0.0001303
3.567e-07
d
yr
n .08215043784664174 2.4426e-09 deg/d
Q 5.419829954286126 1.0743e-07 au
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      10396 days (28.46 yr)  
   first obs. used      1990-11-22  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51373  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:10:29  

Additional Information
 Earth MOID = 4.08019 au 
 Jupiter MOID = .0141822 au 
 T_jup = 2.946 
[ 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 11.5   n/a MPO436181  
diameter diameter 23.483 km 0.567 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.097   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

56976 (2000 SS161)          Discovered 2000-Sep-20 by NEAT at Haleakala
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 SS161 = 2001 RC81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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