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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08301243328104907 5.3945e-08  
a 5.301738980392341 1.0957e-07 au
q 4.861628727008984 3.2301e-07 au
i 14.8772474930271 7.0801e-06 deg
node 341.0841642944986 2.1334e-05 deg
peri 102.948424261192 5.3993e-05 deg
M 265.4331616949351 5.4808e-05 deg
tp 2460171.784264900711
(2023-Aug-15.28426490)
0.00070036 TDB
period 4458.881600799717
12.21
0.00013823
3.785e-07
d
yr
n .0807377347573958 2.503e-09 deg/d
Q 5.741849233775698 1.1867e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1089  
   data-arc span      23597 days (64.61 yr)  
   first obs. used      1955-03-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:25:38  

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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