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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08301246089623841 5.0063e-08  
a 5.301738990539758 1.0265e-07 au
q 4.861628589905514 3.1498e-07 au
i 14.87725174722331 7.0298e-06 deg
node 341.0841692144223 1.9021e-05 deg
peri 102.9483912289172 5.0223e-05 deg
M 265.4331954706097 5.0439e-05 deg
tp 2460171.783849925279
(2023-Aug-15.28384993)
0.0006427 TDB
period 4458.881613601026
12.21
0.00012949
3.545e-07
d
yr
n .0807377345256003 2.3447e-09 deg/d
Q 5.741849391174002 1.1117e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1207  
   data-arc span      23872 days (65.36 yr)  
   first obs. used      1955-03-24  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4798  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:03:00  

Additional Information
 Earth MOID = 3.91654 au 
 Jupiter MOID = .267219 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 10.3   n/a PDS3 (MPC 17268)  
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. 2019-August); 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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