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3391 Sinon (1977 DD3)
Classification: Jupiter Trojan          SPK-ID: 2003391
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08339943292917887 4.6693e-08  
a 5.300694289031484 9.6435e-08 au
q 4.858619391195321 3.0828e-07 au
i 14.87895548926933 6.7975e-06 deg
node 341.0850311421543 1.4535e-05 deg
peri 103.0978792140252 4.5989e-05 deg
M 281.4765486801939 4.6235e-05 deg
tp 2460172.786917538234
(2023-Aug-16.28691754)
0.00058475 TDB
period 4457.563752364984
12.20
0.00012164
3.33e-07
d
yr
n .08076160432007284 2.2039e-09 deg/d
Q 5.742769186867648 1.0448e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1616  
   data-arc span      24043 days (65.83 yr)  
   first obs. used      1955-03-24  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43663  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:10:16  

Additional Information
 Earth MOID = 3.91321 au 
 Jupiter MOID = .270751 au 
 T_jup = 2.926 
[ 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 10.42   n/a E2021B10  
diameter diameter 37.862 km 6.824 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 8.135 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.]
geometric albedo albedo 0.093   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

3391 Sinon (1977 DD3)          Discovered 1977-Feb-18 by Kosai, H. and Hurukawa, K. at Kiso Station
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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