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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08339944498764978 2.5903e-08  
a 5.300694267278677 8.8817e-08 au
q 4.858619307338418 1.9827e-07 au
i 14.87895996897821 1.2798e-06 deg
node 341.0850375112049 3.7985e-06 deg
peri 103.0978420870818 2.4929e-05 deg
M 281.4765810896776 2.6418e-05 deg
tp 2460172.786510255014
(2023-Aug-16.28651026)
0.00034017 TDB
period 4457.563724925788
12.20
0.00011204
3.067e-07
d
yr
n .08076160481721291 2.0298e-09 deg/d
Q 5.742769227218935 9.6225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1651  
   data-arc span      24062 days (65.88 yr)  
   first obs. used      1955-03-24  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:03:43  

Additional Information
 Earth MOID = 3.91321 au 
 Jupiter MOID = .27075 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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